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International Space
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+Flare Predictions
In this page you can track in real time all the satellites orbiting the Earth, with both 2D and 3D interactive representations, predict their passes, view their trajectory among stars on an interactive sky chart, predict satellite flares and transits (across the Sun and the Moon), find out the best location to see these events on a detailed Google map. You can also follow satellite re-entries and other special events, join the observer community, post messages and share your comments and observations. Currently in our database we have more than 9000 observation reports!. You won't find any other tracker that provides all these functions!

Read Observers' Reports! is the only website that has a public DB of satellite observations where you can search for flare reports

Latitude [deg]
Altitude [km]
DEC J2000 [d:m:s] Sun El.[deg]
Longitude [deg]
Azimuth [deg] RA J2000 [h:m:s] Loaded SAT :

JD Elevation [deg] Magnitude


Do you want to observe the International Space Station crossing your sky?
Install our 3D tracker for Android devices and you have just to point your phone to the sky and follow the line to find the ISS. You can also track the Station 24 hours a day with a 3D view of the Earth, constellations and more than 15.000 stars. A simple count down will inform you when you can actually see the ISS with the naked eye. Visit this web page for more details or for downloading the App.

News from Space and Spaceflights

21/05/2017 - The U.S.-based Rocket Lab corporation is set to enter the commercial launch market with the maiden flight of its Electron rocket. The small-scale launcher will cater to the… (source: - more...)

18/05/2017 - Vector Space Systems, a startup small satellite launch service, is hoping to revolutionize the launch market not just through a dramatic reduction in cost for launch operations for… (source: - more...)

17/05/2017 - The Arianespace Soyuz ST-A rocket was in action on Thursday, tasked with the lofting of the SES-15 satellite. The launch was only the second time this rocket has lofted a GEO spacecraft from the European Spaceport in Kourou, French Guiana. Liftoff occurred at the start of a window that opened at 11:54 GMT, beginning a multi-hour mission ascent to spacecraft separation. (source: - more...)

16/05/2017 - The RS-25 engine team scrubbed a Tuesday afternoon attempt to perform the next hot-fire test in the A-1 test stand at the Stennis Space Center in Mississippi. NASA, RS-25 prime contractor Aerojet Rocketdyne, and Stennis facilities contractor Syncom Space Services (S3) are attempting acceptance testing the second engine controller unit (ECU) slated to fly on the first launch of NASA’s SLS launch vehicle. (source: - more...)

15/05/2017 - SpaceX conducted its sixth launch of the year Monday, with a Falcon 9 rocket deploying the Inmarsat-5 F4 communications satellite. Liftoff, from the Kennedy Space Center, was on schedule at the opening of a 51-minute launch window at 19:20 local time (23:20 UTC). The booster – as planned – did not return for a landing due to the performance requirements of the heavy satellite. (source: - more...)

12/05/2017 - Two astronauts aboard the International Space Station (ISS) completed the 200th spacewalk in the station s history, in order to perform a number of maintenance and upgrade tasks outside the orbital laboratory. The spacewalk, designated US EVA-42, got underway at 13:08 PM GMT and was shortened to just over four hours due to a battery life concern. (source: - more...)

12/05/2017 - In what is a highly welcomed, if not somewhat surprising decision, NASA has officially announced that they will not place a crew onboard the first SLS flight, the EM-1 mission. The decision to keep EM-1 uncrewed was based on cost estimates for such a feat, identified as part of a White House initiative that kicked off the feasibility study in February. With the study concluded, NASA can continue to focus on getting SLS ready for its first flight, which is now No Earlier Than 2019. (source: - more...)

11/05/2017 - SpaceX has demonstrated for a second time just how short a turnaround it can accomplish at LC-39A with Thursday’s static fire of the Falcon 9 that is set to launch the Inmarsat 5 F4 satellite Monday afternoon. As preparations for that mission continue, the flight two slots down on the manifest, the mid-June launch of BulgariaSat 1, has now been announced and confirmed as the next mission to make use of a flight-proven Falcon 9 core stage. (source: - more...)

09/05/2017 - Vector Space has conducted a crucial test of their Vector-R rocket that the company hopes will expand the small satellite launch market via small-scale launchers. As SpaceX has disrupted the large scale market, so does Vector Space hope their new rocket system can disrupt the small scale market by eliminating the need for ride-share requirements small satellites currently face while significantly lowering the cost to small satellite customers. (source: - more...)

08/05/2017 - NASA and Space Launch System (SLS) Core Stage prime contractor Boeing recently resumed welding elements for the launch vehicle’s first flight after a technical issue suspended welding last year. A change to a welding tool in the Vertical Assembly Center (VAC) at the Michoud Assembly Facility (MAF) in New Orleans, Louisiana, had unintended consequences that in part disrupted the assembly and production schedule for the Core Stage and helped push the forecast target date for the first SLS launch on Exploration Mission-1 (EM-1) into 2019. (source: - more...)

07/05/2017 - After several false dawns, the US Air Force’s X-37B mini-spaceplane has landed at the Kennedy Space Center (KSC) for the first time. With local reports of a sonic boom breaking through the morning air in areas of Florida, the Air Force confirmed the landing took place on Sunday at the historic Shuttle Landing Facility (SLF) (source: - more...)

04/05/2017 - Arianespace returned to action on Thursday with the long-awaited launch of its Ariane 5 rocket – following a delay caused by a local “social movement”. Ariane 5 lofted the SGDC and Koreasat-7 satellites from the European Spaceport in Kourou, deep into the launch window at 21:50 GMT. A late fuel load and a telementry based issue caused the launch to move later into the evening. (source: - more...)

04/05/2017 - India will launch its GSAT-9 communications satellite via a Geosynchronous Satellite Launch Vehicle (GSLV) rocket Friday. The Indian Space Research Organisation (ISRO) launch, which will support international partnerships in South Asia, is scheduled for 16:57 local time (11:27 UTC). (source: - more...)

03/05/2017 - Following the launch of the NROL-76 spacecraft on Monday – which also included a successful Second Stage extended coast test – SpaceX is already deep into preparations to launch its next mission, with the Inmarsat 5 F4 satellite, in the middle of this month. The company’s improving launch cadence is being achieved mainly via the use of just one East Coast pad, pointing towards its future manifest potential once SLC-40 returns to action. (source: - more...)

29/04/2017 - SpaceX will conduct its first dedicated launch for the US National Reconnaissance Office (NRO) Sunday, with a Falcon 9 carrying out the NROL-76 mission. Liftoff from the Kennedy Space Center’s Pad 39A is scheduled for a two-hour window opening at 07:00 Eastern time (11:00 UTC). T-0 has been set 15 minutes into the window, at 07:15 Eastern. (source: - more...)

28/04/2017 - As the facility continues repairs of tornado damaged infrastructure and looks to find workspace for displaced tenants, NASA, Space Launch System (SLS) Core Stage prime contractor Boeing, and facility operations and maintenance contractor Syncom Space Services are ready to ship the first SLS hardware element from the Michoud Assembly Facility (MAF) in New Orleans, Louisiana to start structural testing. (source: - more...)

26/04/2017 - With their OA7- mission underway and currently berthed at the International Space Station, Orbital ATK is pressing forward with plans for the series of CRS-1 extended contract missions which are set to begin later this year. The company is also proceeding with planning for their six contracted CRS-2 resupply missions to the Space Station, a contract that now offers NASA three different variants of Cygnus vehicles. (source: - more...)

25/04/2017 - SpaceX is preparing for Static Fire tests in two regions of the United States this week, both of which will advance the company’s profile in the launch industry. A Falcon 9 booster is expected to conduct a test firing at KSC’s 39A ahead of SpaceX’s first NROL mission, while the core booster for the first Falcon Heavy is sat on the test stand in McGregor, Texas. (source: - more...)

23/04/2017 - Nearly 20 years after launch and almost 13 years at the majestic ringed planet, the Cassini spacecraft is about to enter the final phase of its historic mission. The Grand Finale of Cassini’s mission began Sunday morning, setting up a series of close-proximity ops to the planet as Cassini dives between the innermost edge of Saturn’s rings and the planet itself to prepare for atmospheric entry into Saturn and the end of its mission on 15 September 2017. (source: - more...)

21/04/2017 - Orbital ATK s Cygnus OA-7 resupply craft, the S.S. John Glenn, was berthed at the ISS Saturday morning. The OA-7 Cygnus – packed with equipment and supplies for the Expedition 51 crew – launched Tuesday aboard a ULA Atlas V rocket and performed orbit raising and refinement burns as it waited its turn for arrival at ISS, having to slip in after the Soyuz MS-04 spacecraft launched and docked on Wednesday. (source: - more...)

19/04/2017 - The Soyuz MS-04 crew successfully launched atop a Soyuz-FG carrier rocket from the Baikonur Cosmodrome in Kazakhstan on Thursday, with two new crewmembers for Expedition 51. Liftoff occurred at 07:13:44 GMT, with a nominal docking to the Station following around six hours after launch at 09:18 EDT (13:18 GMT). (source: - more...)

19/04/2017 - China is taking another significant step on the road towards a permanent presence in space, following the Long March 7 (TZ-1) launch of Tianzhou-1 – the first Chinese logistics cargo vehicle. The launch took place at 11:40:45 UTC on Thursday from the LC201 Launch Complex at the Wenchang Space Launch Center, followed by docking on Saturday (source: - more...)

18/04/2017 - United Launch Alliance and Orbital ATK launched the OA-7 Cygnus mission to the International Space Station (ISS) on Tuesday. Flying atop an Atlas V rocket, Cygnus departed the SLC-41 pad at Cape Canaveral Air Force Station at the start of a thirty-minute window that opened at 11:11 local time (15:11 UTC). (source: - more...)

15/04/2017 - The crew on the International Space Station (ISS) have successfully replaced a window pane on the Cupola module. The operation was conducted without any risk to the crew, thanks to the innovative design on the module’s windows, which involves four panes allowing for internal replacement while risking no pressure loss for the Station. (source: - more...)

12/04/2017 - As SpaceX continues to make excellent progress on rebuilding SLC-40 at the Cape Canaveral Air Force Station, the company has achieved a major milestone toward the debut of its Falcon Heavy rocket. With the first Falcon Heavy side core on the test stand at McGregor, Texas, SpaceX is in final preparation for the all important hot fire test of the booster before its shipment to the Kennedy Space Center ahead of a planned maiden flight later this year. (source: - more...)

11/04/2017 - The Chinese returned to launch action with the lofting of a new experimental communications satellite from the Xichang Satellite Launch Center. The launch was conducted by the Long March 3B G2 ‘Chang Zheng-3B/G2’ (Y43) from the LC2 Launch Complex at the Sichuan province site, with T-0 noted as 11:04 UTC. (source: - more...)

10/04/2017 - Three crew members from the International Space Station (ISS) have completed their journey back to Earth on Monday, with undocking of their Soyuz MS-02 spacecraft occurring at 3:57 am Eastern, followed by Shane Kimbrough, Sergey Ryzhikov and Andrey Borisenko touching down on the steppes of Kazakhstan at 7:20 am Eastern. (source: - more...)

07/04/2017 - The long and arduous process of achieving commercial crew transportation services to space is closing in on an important milestone. At a recent update to the NASA Advisory Council, NASA’s commercial crew transportation services program manager discussed numerous aspects to SpaceX and Boeing’s progress over the last few months and revealed that, while the timeline is tight, the two companies are on track for their scheduled crew demo flights of Dragon and Starliner in 2018. (source: - more...)

06/04/2017 - After years without concrete missions beyond the current EM-2 test flight, NASA has finally unveiled a plan for multiple missions of its SLS rocket. The plan would see… (source: - more...)

05/04/2017 - NASA astronaut Peggy Whitson has been granted a three-month extension to her mission on the International Space Station (ISS). The decision, made between NASA and Roscosmos, avoids a “gap” in the full crew compliment during a two-month period in the summer. Meanwhile, Soyuz TMA-02 is preparing to return home three crew members next Monday. (source: - more...)

03/04/2017 - An Emergency Egress System (EES) has completed its installation into the Crew Access Tower (CAT) at Space Launch Complex -41 (SLC-41) in preparation for Atlas V launches with Boeing’s Starliner spacecraft. The EES is a vital element for all crew launch vehicles, with the SLC-41 EES working with the traditional “slide wire” concept. (source: - more...)

31/03/2017 - For SpaceX and its founder Elon Musk, it was a day 15 years in the making. The accomplishment Thursday evening of launching a flight-proven Falcon 9 core stage… (source: - more...)

30/03/2017 - SpaceX took a step into the future Thursday as it reused – for the first time – a recovered first stage of a previously-flown Falcon 9 rocket. Thursday’s mission, carrying the SES-10 communications satellite, lifted off from Pad 39A at Florida’s Kennedy Space Center at 18:27 local time (22:27 UTC) and once again landed the booster. (source: - more...)

30/03/2017 - International Space Station (ISS) crewmembers have conducted the second of three EVAs on Thursday, as they upgrade the station, perform routine maintenance, and prepare the station for the arrival of future commercial crew vehicles. The second EVA got underway at 6:29 AM Central and concluded seven hours later. (source: - more...)

29/03/2017 - A newly acquired environmental impact report has provided fascinating insights into Blue Origin’s plans to become a major player on the Space Coast. With a massive facility under construction at KSC’s Exploration Park, the company plans to utilize two Cape Canaveral launch complex’s to test rocket engines, integrate launch vehicles, and conduct up to 12 launches per year of its heavy-lift class orbital vehicles. (source: - more...)

25/03/2017 - In what is anticipated to be the first of many such occasions, SpaceX has conducted the all-important static fire on Monday of the first stage of the Falcon 9 rocket that will be tasked with lofting the SES-10 mission to orbit next week. Of historic importance is the fact that this first stage has already launched a mission – marking the first time that SpaceX will refly the first stage of a Falcon 9 rocket. (source: - more...)

23/03/2017 - NASA, Aerojet Rocketdyne, and Syncom Space Services have conducted the first hot-fire test of a flight model RS-25 engine controller on Thursday afternoon. The eight-minute long test firing occurred in the A-1 test stand at the Stennis Space Center in Mississippi. RS-25 engines will power the Core Stage of NASA’s Space Launch System (SLS) launch vehicle, planned for the first launch in about two years. (source: - more...)

22/03/2017 - When the SpaceX CRS-9 mission launched to the ISS last July, it took with it a first-of-a-kind experiment to examine the possibility of sequencing DNA in space. Not only did that experiment prove beyond doubt that sequencing DNA on the Space Station is possible, the scientists behind the experiment now have an opportunity to continue their research with a new round of experiments set to launch on Orbital ATK s Cygnus OA-7 resupply mission. (source: - more...)

20/03/2017 - Following the successful launch of a Delta IV rocket with the WGS-9 satellite Saturday night, Brigadier General Wayne R. Monteith and Major General David D. Thompson of the U.S. Air Force discussed the 45th Space Wing s plan to ramp up to 48 launches per year – a feat made possible in large part due to the introduction by SpaceX of the new Autonomous Flight Termination System and the increasing and booming commercial launch market. (source: - more...)

19/03/2017 - The latest SpaceX Dragon spacecraft is concluding her mission to the International Space Station (ISS). Unberthing of the CRS-10 Dragon from the orbital outpost on Sunday began the critical End Of Mission (EOM) milestones, which will conclude with a splashdown homecoming in the Pacific Ocean. (source: - more...)

18/03/2017 - United Launch Alliance’s first Delta IV launch of 2017 carried a Wideband Global Satcom spacecraft (WGS-9) into orbit Saturday. The lift off from Cape Canaveral Air Force Station occurred at 20:18 local time (00:18 UTC), following a slightly delay related to the Swing Arm system at the pad. (source: - more...)

16/03/2017 - Dextre, Canada’s adventurous robot on the International Space Station (ISS), has – along with his team – been recognized by the Johnson Space Center (JSC) for the work conducted during the crucial task of upgrading the batteries on the orbital outpost. Dextre’s role helped vastly reduce the workload on his human colleagues. (source: - more...)

16/03/2017 - Japan’s H-IIA rocket has lofted the next in a series of new-generation radar imaging satellite for the country’s military. The launch of latest IGS-5 spacecraft lifted off on schedule at 10:20 local time (01:20 UTC) on Friday, setting sail from the first pad of the Tanegashima Space Centre’s Yoshinobu Launch Complex. (source: - more...)

15/03/2017 - SpaceX’s Falcon 9 rocket has conducted its third flight of the year on Thursday, following a scrub due to high winds on Tuesday. The launch carried a commercial communications satellite into geosynchronous transfer orbit. The launch took place from Launch Complex 39A at the Kennedy Space Center in Florida. (source: - more...)

13/03/2017 - Boeing’s Starliner spacecraft is progressing through a series of parachute drop tests, refining the technology for returning the spacecraft back home safely. However, NASA’s safety advisory body has cited certification concerns about a major element for the spacecraft’s ride to space, specifically the RD-180 engine used by the Atlas V launch vehicle. (source: - more...)

10/03/2017 - SpaceX’s CRS-10 resupply mission has enjoyed a smooth period following its somewhat eventful berthing to the Station last month. In the two weeks since the cargo craft arrived… (source: - more...)

09/03/2017 - SpaceX is preparing to launch its second mission from KSC’s Pad 39A, with the expendable Falcon 9 tasked with the EchoStar 23 mission conducting a Static Fire test on Thursday following an issue during Tuesday’s attempt – ultimately slipping the launch date to March 14. Meanwhile, SLC-40 is preparing for a return to operations in August, in turn initiating the second phase of work on 39A for Falcon Heavy. (source: - more...)

09/03/2017 - A major milestone in the build-up to the maiden launch of the Space Launch System has seen the arrival of the Interim Cryogenic Propulsion Stage (ICPS) at Cape Canaveral. Meanwhile, tests are continuing on the umbilicals that will feed this Upper Stage, ahead of joining forces when mated on the Mobile Launcher. (source: - more...)

06/03/2017 - Arianespace’s small launcher, the Vega rocket, has lofted the Sentinel-2B Earth observation satellite on Monday night (local time). Sentinel-2B becomes the fifth satellite launched for Copernicus following its lift off from Europe’s Spaceport in Kourou, French Guiana. The launch was on schedule at 01:49 UTC (Tuesday). (source: - more...)

03/03/2017 - China orbited a small experimental satellite called Tiankun-1 (TK-1), utilizing the Kaituozhe-2 (KT-2) rocket, new launch vehicle. Launched at 23:45 UTC on Thursday from the Jiuquan Launch Center, the new launcher is the latest in a series of solid launcher fueled rockets developed by China that debuted during recent months. (source: - more...)

03/03/2017 - While NASA’s Michoud Assembly Facility (MAF) continues to work through a recovery effort following last month’s tornado, Steve Doering, SLS Stages Element Manager, has provided a recent assessment of the damage. He also overviewed the initial recovery efforts and mitigation work against potential impacts on the core stage production critical paths for the Space Launch System (SLS). (source: - more...)

01/03/2017 - For its second launch of the year, the Atlas V rocket marked its 70th mission to space on Wednesday as the veteran rocket lofted the National Reconnaissance Office s NROL-79 spacecraft to Low Earth Orbit (LEO). Liftoff took place from SLC-3E at Vandenberg Air Force Base, California, at 0950 PST (1750 UTC), the opening of a 40 minute launch window. The mission has been declared a success. (source: - more...)

27/02/2017 - In a hastily arranged announcement, Elon Musk has revealed a plan to launch a Dragon 2 spacecraft on a circumlunar mission, with two paying customers. The launch, which will be conducted by a Falcon Heavy rocket in late 2018, is being seen as a major statement of intent by SpaceX, especially when NASA is conducting a study to launch a similar mission at least a year later. (source: - more...)

26/02/2017 - With Dragon now returned to flight and safely berthed to the ISS, time is ticking closer to the start of commercial crew transportation services to the station. In line with this, NASA s plans for future crew rotations are solidifying, as opportunities have emerged to increase NASA s crew count earlier than planned. (source: - more...)

24/02/2017 - The Russian Federal Space Agency, Roscosmos, launched the Progress MS-05/66P resupply mission on Wednesday morning aboard the final Soyuz-U rocket in history. Liftoff from pad 1/5 at the Baikonur Cosmodrome began a mission that concluded with an orbital rendezvous and docking with the Station on Friday. (source: - more...)

23/02/2017 - After lifting off from historic LC-39A at the Kennedy Space Center, FL, on Sunday morning, SpaceX s Dragon capsule for the SpX-10/CRS-10 mission has successfully completed rendezvous and berthing operations on Thursday, following an abort on Wednesday. The mission is delivering thousands of pounds of supplies, hardware, food, and experiments to the ISS. (source: - more...)

03/02/2017 - Following a highly successful Return To Flight of their newly upgraded Antares 230 series rocket this past October, Orbital ATK is deep into processing for the OA-7 and OA-8 missions that will ferry supplies to the International Space Station this year. Additionally, the company is progressing forward with plans to integrate new upgrades to the Antares, enhancements that should be available by 2019. (source: - more...)

02/02/2017 - The International Space Station (ISS) crew are busy preparing for new Visiting Vehicles, as one departed this week. The Russian Progress MS-03/64P resupply provided a stunning farewell as it conducted a destructive re-entry, while the Station prepares to welcome SpaceX Dragons in the near and long term. (source: - more...)

29/01/2017 - SpaceX has officially announced a mission swap, resulting in the Falcon 9 launch of the CRS-10 Dragon to the International Space Station (ISS) becoming the first mission to set sail from the historic 39A pad at the Kennedy Space Center (KSC). That honor was to have gone to the Echostar 23 mission before Dragon’s priority effectively pulled rank on the manifest. (source: - more...)

27/01/2017 - Japan s HTV-6 cargo vehicle has departed the International Space Station (ISS) on Friday ahead of a fiery plunge back to Earth. The spacecraft performed without issue as it delivered vital supplies both for the crew and the Station itself during its mission, with its final role now involving a cargo of ISS trash – and replaced Station batteries – being disposed of during its destructive re-entry. (source: - more...)

27/01/2017 - The Arianespace Soyuz ST-B rocket has successfully lofted the Hispasat 36W-1 satellite into orbit on Friday. The launch was the first time a Soyuz rocket had launched a GEO spacecraft from the European Spaceport in Kourou, French Guiana. Liftoff occurred at 01:03 UTC on Saturday morning (Friday evening locally). (source: - more...)

25/01/2017 - Boeing has revealed the space suit astronauts will wear on missions aboard the Starliner spacecraft. Formerly known as CST-100, the Boeing spacecraft is one of two commercial crew vehicles that will eventually return a domestic crew launch capability to the United States after years of relying on the Soyuz spacecraft. (source: - more...)

23/01/2017 - Airbus Safran Launchers, which now owns the majority stake in Arianespace, has issued a statement of intent, promoting Ariane 5’s track record as it prepares to enter the production phase of its next-generation launcher, the Ariane 6. The new rocket is set to become operational in 2020. (source: - more...)

23/01/2017 - Japan has conducted the launch of the DSN-2 military communications satellite on Tuesday via its H-IIA rocket. Liftoff from the Tanegashima was on schedule at 16:44 local time (07:44 UTC), which was the opening of a 78-minute launch window. The spacecraft was successfully deployed. (source: - more...)

19/01/2017 - The US Air Force’s third Space-Based Infrared System (SBIRS) geosynchronous missile detection satellite rode to orbit atop United Launch Alliance’s Atlas V rocket on Friday, lifting off from Cape Canaveral Air Force Station, following a scrub of Thursday’s opening attempt. (source: - more...)

17/01/2017 - For the first time on the West Coast, a recovered Falcon 9 first stage has made it back to port, intact. Following its role with the successful launch of ten Iridium NEXT satellites, the booster completed a bullseye return on to the deck of SpaceX’s drone ship, before arriving in the Port of Los Angeles early on Tuesday morning. (source: - more...)

16/01/2017 - In the month and a half since the Progress MS-04 spacecraft was lost in a third-stage launch mishap on 1 December 2016, Russian federal investigators and Roscosmos have narrowed in on the two most probable causes for the third stage failure of the Soyuz-U launch vehicle. The investigation, which has taken longer than Russian officials wanted, has led to two potential causes for the failure – foreign object debris or improper manufacturing of the RD-0110 third stage engine. (source: - more...)

13/01/2017 - SpaceX returned its Falcon 9 rocket to flight Saturday with a mission that delivered ten Iridium NEXT communications satellites into low Earth orbit. Liftoff was on time at 09:54 local time (17:54 UTC) from Vandenberg Air Force Base, California. SpaceX also successfully landed the first stage booster on a drone ship in the Pacific Ocean. (source: - more...)

11/01/2017 - As SpaceX continues its efforts to press forward with Return To Flight later this month, a draft Supplemental Environmental Assessment report for Launch Complex 13 at the Cape Canaveral Air Force Station for construction of two additional landing pads to accommodate the simultaneous return of three core stages of a Falcon Heavy rocket has been released. The report also details the impact of construction of a temporary Dragon processing facility at LC-13 as well. (source: - more...)

10/01/2017 - Japan has scrubbed an experimental launch, using a modified SS-520 sounding rocket to place a CubeSat, TRICOM-1, into low Earth orbit. The mission was expected to lift off from the Uchinoura Space Centre at 08:48 local time (23:48 UTC on Tuesday) and – if successful – will mark a new record for small rocket launch capability. However, the weather was deemed unacceptable for launch. (source: - more...)

09/01/2017 - China orbited three small satellites using the Kuaizhou-1A (KZ-1A) launch vehicle from the Jiuquan Launch Center. The launch was originally scheduled for the last day of 2016. However, the launch was delayed without notice and without specific reasons. (source: - more...)

09/01/2017 - The first fully-welded Space Launch System (SLS) Core Stage propellant tank was recently moved to its proof testing facility at the Michoud Assembly Facility (MAF), to begin final preparations for the first set of tests to begin. The liquid hydrogen (LH2) qualification tank will be a pathfinder for Core Stage prime contractor Boeing and NASA to begin validating the newly-assembled Core Stage hardware, along with the facilities, testing procedures, and analytical models that will help qualify the design and development of the stage for its first flight. (source: - more...)

06/01/2017 - Two astronauts aboard the International Space Station (ISS) have conducted the first spacewalk of a long-planned process to upgrade the power storage batteries outside the station. The upgraded batteries will give the ISS better power storage capacity throughout the rest of its planned lifetime. The spacewalk got underway at 12:23 PM GMT and lasted six hours and 32 minutes. (source: - more...)

05/01/2017 - China kicked off its 2017 campaign with the successful launch of the second Tongxin Jishu Shiyan Weixing (TJSW) spacecraft from the Xichang Satellite Launch Center. Launch took place at 15:18 UTC on Thursday using the Long March-3B/G2 Chang Zheng-3B/G2 (Y39) launch vehicle from the LC2 launch complex. (source: - more...)

03/01/2017 - A year and a half after its historic flyby of dwarf planet Pluto, NASA s New Horizons spacecraft is preparing for its encounter with a second Kuiper Belt Object…. (source: - more...)

02/01/2017 - SpaceX is set to Return To Flight (RTF) as early as Sunday, with the Falcon 9 launch of the first Iridium NEXT mission from Vandenberg Air Force Base in California. SpaceX’s return follows a stand down related to the September loss of the Falcon 9 that was scheduled to launch the Amos-6 satellite during a Static Fire anomaly. (source: - more...)

30/12/2016 - In 2016, our understanding of our cosmic home might have taken its most significant leap forward since the discovery of Uranus shattered our then perception of a six-planet system and expanded the solar system for the first time. This year, in January came the announcement of a mathematical and orbital-characteristic inferred discovery – more a prediction based on evidence – of a massive, super-Earth, ice giant in a 200 x 1,200 AU orbit that, if confirmed, would represent the ninth planet in our solar system. (source: - more...)

27/12/2016 - It was the dominant event in spaceflight last year: New Horizons rapid-paced, intense scientific investigation of the icy, dwarf planet Pluto – the mysterious little world that once bounded the planets of our solar system. This year, New Horizons completed its transmission of all the data it gathered during the Pluto encounter, information that has revealed Pluto to be an even stranger world than our imaginations conjured for so long. (source: - more...)

27/12/2016 - The first Long March 2D to launch from the Taiyuan Satellite Launch Center launched the first pair of a new civilian multi-sensor commercial remote sensing satellite constellation for China. However, the health of the spacecraft – not least their deployed orbit – is currently deemed to be problematic. The launch took place at 03:23 UTC on December 28 from the LC9 launch complex. (source: - more...)

24/12/2016 - Moving out into the asteroid belt and farther still to the gas giants, NASA s Dawn, Juno, and Cassini missions churned away in orbit of their respective hosts – with Dawn continuing an up-close-and-personal investigation of the dwarf planet Ceres, Juno s fantastically accurate arrival at Jupiter but frustratingly crippled start to its science mission, and the beginning of the end for the Cassini mission that s set to end in September 2017. (source: - more...)

22/12/2016 - From the orbits of the inner solar system to the surface of Mars. For Curiosity and Opportunity, 2016 continued the rovers revelations of the mysteries of the Martian surface – providing scientists with confirmation of long-held theories while also revealing surprises about Mars’ geologic past and providing new research for the eventual push of human exploration on the red planet. For Opportunity, the year also marked a continued series of longevity firsts and another mission extension for the rover as it now approaches the start of its 13th year on Mars. (source: - more...)

21/12/2016 - China launched its first minisatellite dedicated to the carbon dioxide detection and monitoring at 15:22 UTC on December 22 using a Long March-2D (Chang Zheng-2D) launch vehicle. Launch of TanSat occurred from the LC43/603 launch complex of the Jiuquan Satellite Launch Center. (source: - more...)

21/12/2016 - Arianespace’s final launch of the year will involve the launch of its Ariane 5 workhorse rocket on Wednesday. The launch vehicle is tasked with lofting the Star One D1 and JCSAT-15 satellites for deployment into geostationary transfer orbit. The launch window opens at 20:30 UTC. (source: - more...)

20/12/2016 - Throughout the inner solar system in 2016, NASA, ESA, JAXA, Roscosmos, and ISRO built upon their prior year successes and demonstrated a coordinated and cooperative approach toward advancing scientific returns from around Earth s immediate neighbors. For these agencies, non-Earth orbital exploration yielded surprising and dramatic changes to our views of the Sun, Venus, the Moon, and Mars via arrivals, discoveries, and cooperative investigations. (source: - more...)

19/12/2016 - Japan’s Epsilon rocket will make its second flight Tuesday, tasked with orbiting JAXA’s ERG satellite to study Earth’s radiation belts. Liftoff from the Uchinoura Space Centre is scheduled for 20:00 local time (11:00 UTC), the opening of an hour-long launch window. (source: - more...)

18/12/2016 - United Launch Alliance launched its last Atlas V rocket of 2016 Sunday, deploying the EchoStar XIX commercial communications satellite for Hughes Network Systems. The launch, from the Cape Canaveral Air Force Station, occurred during a two-hour window at 14:13 Eastern Time (19:13 UTC). (source: - more...)

16/12/2016 - Prime contractor Boeing recently discussed the current progress of assembly and production for the first Core Stage elements of NASA’s Space Launch System (SLS). With assembly of the major structures almost complete, all the different first-time pieces are working their way along parallel paths at the Michoud Assembly Facility (MAF) in New Orleans, Louisiana, as Boeing and NASA choreograph the development and testing work that will put together the first complete new rocket stage next year and certify it for its inaugural flight in late 2018. (source: - more...)

13/12/2016 - On Sunday, December 11, at 9:04 a.m. PST (12:04 p.m. EST, 17:04 UTC) NASA's Juno spacecraft will make its third science flyby of Jupiter. At the time of closest approach (called perijove), Juno will be about 2,580 miles (4,150 kilometers) above the gas giant's roiling cloud tops and traveling at a speed of about 129,000 mph (57.8 kilometers per second) relative to the planet. Seven of Juno's eight science instruments will be energized and collecting data during the flyby. "This will be the f ... (source: - more...)

10/12/2016 - China launched the first of a new generation geosynchronous meteorological satellites on Saturday. The launch of Fengyun-4A satellite took place at 16:11 UTC using the Long March-3B/G2 (Y42) – or Chang Zheng-3B/G2 per its Chinese name – from the LC3 Launch Complex at the Xichang Satellite Launch Center. (source: - more...)

09/12/2016 - XMM-Newton is one of Europe's longest-flying and most productive orbiting observatories, investigating the hot X-ray Universe. Thanks to teamwork and technical innovation, it's on track to keep flying for a long time yet. Launched 17 years ago, ESA's orbiting X-ray telescope has helped scientists around the world to understand some of our Universe's most mysterious events, from what happens in and around black holes to how galaxies formed. At 3800 kg, the 10 m-long XMM-Newton is the biggest scienc ... (source: - more...)

08/12/2016 - In what was the fifth orbital launch of December, the Japanese Aerospace Exploration Agency (JAXA) launched the HTV-6 automated resupply spacecraft for the International Space Station atop their H-IIB rocket. Liftoff from the Tanegashima Space Center occurred at 22:26:47 Japan Standard Time (13:26:47 GMT – 08:26:47 EST) on 9 December, kicking off a four-day rendezvous dance with the ISS. (source: - more...)

07/12/2016 - United Launch Alliance (ULA) has launched a Delta IV rocket on Wednesday evening, carrying the eighth satellite in the US Air Force’s Wideband Global Satcom system. The rocket lifted off with WGS-8 from Cape Canaveral Air Force Station’s SLC-37B pad at 18:52 Eastern Time (23:52 UTC). (source: - more...)

07/12/2016 - NASA's Cassini spacecraft has sent to Earth its first views of Saturn's atmosphere since beginning the latest phase of its mission. The new images show scenes from high above Saturn's northern hemisphere, including the planet's intriguing hexagon-shaped jet stream. Cassini began its new mission phase, called its Ring-Grazing Orbits, on Nov. 30. Each of these weeklong orbits - 20 in all - carries the spacecraft high above Saturn's northern hemisphere before sending it skimming past the outer edges ... (source: - more...)

06/12/2016 - India has launched its Resourcesat-2A imaging satellite on Wednesday morning via its Polar Satellite Launch Vehicle (PSLV) rocket. The ISRO launch, from the Satish Dhawan Space Centre, occurred on schedule at 10:24 India Standard Time (04:54 UTC) from the center’s First Launch Pad. (source: - more...)

05/12/2016 - Arianespace’s Vega rocket successfully launched Turkey s first governmental satellite for Earth observation. The launch of the G kt rk-1A satellite occurred on schedule with a T-0 of 13:51 GMT on Monday, lifting off from launch pad ELA-1 at Europe’s Spaceport in Kourou, French Guiana – ahead of a 57 minute ride to orbit. (source: - more...)

03/12/2016 - Up to 15 orbital launches are set to take place during a very busy December, not counting the opening mission of the month that resulted in the loss of the Progress MS-04 cargo ship that was set to dock with the ISS over the weekend. This month is likely to include the highly anticipated return to flight of SpaceX’s Falcon 9 rocket. (source: - more...)

01/12/2016 - The Russian Federal Space Agency (Roscosmos) launched the Progress MS-04/65P resupply mission to the ISS on Thursday at 09:51:52 EST (14:51:52 UTC). The mission was the third of three Russian resupply flights to Station this year and the first of two missions scheduled to launch to ISS in the opening 9 days of December. However, an anomaly during third stage flight resulted in the loss of the mission. (source: - more...)

Visual SAT-Flare Tracker 3D - Online

Thank you for using Visual SAT-Flare Tracker Online
In this page you can track satellites in real time, predict passes and flares.
(the 3D desktop version is still available for download)

This page is interactive so you can change the time by means of the following keys:

[s] Increase time by 1 second
[S] Decrease time by 1 second
[m] Increase time by 1 minute
[M] Decrease time by 1 minute
[h] Increase time by 1 hour
[H] Decrease time by 1 hour
[d] Increase time by 1 day
[D] Decrease time by 1 day
[0] Real time (reset time changes)
More options and commands are available through the ADVANCED button.

Earth Map Legend

Red Line Satellite's Orbit projected on the ground
Blue Line Ground Flare Track (it represents the location where the reflection hits the ground, which is where the flare brightness reaches its maximum.
Green Line Reflected ray that hits the ground generating the flare.
Black Line Shadow ground track (it represents the location where the satellite can be seen crossing either the Sun disk or the Moon disk)

Full Screen

Photo credit: Oleg Artemyev


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