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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!

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ISS 3D POINTER NEWS: ISS 3D TRACKER/POINTER FOR MOBILE PHONES AVAILABLE

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


27/04/2015 - A new NASA initiative is embracing a team approach to the problem of finding life on planets around other stars. Termed NExSS (NASA Exoplanet System Science), this virtual institute will benefit from the expertise of several dozen scientists in the effort to find clues to life on far-away worlds. Hiroshi Imanaka, a research scientist at the SETI Institute and a specialist in the chemistry of planetary atmospheres, is part of a team recently selected to be part of NExSS. He notes how using a "crowd ... (source: spacedaily.com - more...)

27/04/2015 - Making its second launch in less than a fortnight, SpaceX’s Falcon 9 rocket will carry Turkmenistan’s first satellite to orbit Monday evening following a liftoff from Cape Canaveral. The launch, scheduled to take place at 18:14 local time (22:14 UTC), will deploy the Turkmen lem 52E satellite into a geosynchronous transfer orbit. (source: nasaspaceflight.com - more...)

26/04/2015 - An Ariane 5 ECA was back in action on Sunday evening, lofting another pair of satellites into space. Thor 7 and SICRAL 2 rode uphill on the Arianespace workhorse out of the European Spaceport in Kourou, French Guiana – lifting off at a T-0 of 20:00 UTC – following a short delay relating to an anomaly early into the initial countdown checks on Friday. (source: nasaspaceflight.com - more...)

23/04/2015 - An international team of scientists have put forward a blueprint for a purely space-based system to solve the growing problem of space debris. The proposal, published in Acta Astronautica, combines a super-wide field-of-view telescope, developed by RIKEN's EUSO team, which will be used to detect objects, and a recently developed high-efficiency laser system, the CAN laser that was presented in Nature Photonics in 2013, that will be used to track space debris and remove it from orbit. Space debris, ... (source: spacedaily.com - more...)

22/04/2015 - SpaceX has conducted a Static Fire test on the next Falcon 9 rocket set to launch out of Florida, tasked with the lofting of the TurkmenistanSat spacecraft on April 27. SpaceX also passed a Test Readiness Review (TRR) for its Dragon 2 Pad Abort test, which is currently scheduled to take place on May 5. Both events will be conducted from SLC-40 at Cape Canaveral. (source: nasaspaceflight.com - more...)

21/04/2015 - In the face of political uncertainty and public apathy, NASA is beginning to push the case for the Asteroid Redirect Mission (ARM). The points of the Agency’s latest overview portray a mission that will foster the development of numerous key technological advances, most of which will be required for human missions to deep space and the ultimate goal of landing astronauts on Mars. (source: nasaspaceflight.com - more...)

20/04/2015 - Two more satellites destined for a ride into space have completed assembly ahead of being lofted by Arianespace rockets. Europe’s Sentinel-2A was transported by truck from IABG’s facilities to Munich airport for a Antonov cargo plane ride on Monday night, while Orbital ATK’s SKYM-1 satellite recently arrived at the Kourou spaceport after being assembled four months ahead of schedule. (source: nasaspaceflight.com - more...)

19/04/2015 - SpaceX is getting ever closer to successfully returning the first stage of its Falcon 9 v1.1, with the latest attempt showing the effort is now focused on fine-tuning. The return of the first stage used during the CRS-6 Dragon launch was the best landing attempt to date, with a slower than expected throttle valve response parameter cited as the main reason the stage failed to nail its touchdown. (source: nasaspaceflight.com - more...)

16/04/2015 - While the internet community continues its fascination with the Falcon 9 First Stage landing attempt on the Autonomous Spaceport Drone Ship (ASDS), SpaceX’s primary mission objective – the CRS-6/SpX-6 Dragon – completed berthing operations with the International Space Station (ISS). The spacecraft was grappled by the Station’s “Big Arm” at 6:55am Eastern on Friday, ahead of being attached to the orbital outpost. (source: nasaspaceflight.com - more...)

15/04/2015 - The historic “first weld” of the Exploration Mission -1 (EM-1) Orion is set to take place on May 1 at the Michoud Assembly Facility (MAF) in New Orleans. Building on the experience of the Exploration Flight Test -1 (EFT-1) Orion, this new spacecraft will be constructed for a major test flight on the maiden mission for the Space Launch System (SLS) in 2018. (source: nasaspaceflight.com - more...)

13/04/2015 - SpaceX successfully launched its seventh Dragon resupply mission en route to the International Space Station (ISS) on Tuesday, with the cargo craft lifting off from Cape Canaveral’s SLC-40 atop a Falcon 9 rocket, following a weather scrub on Monday. Bound for a five-week visit to the ISS, the CRS-6 Dragon departed the Cape at 16:10 local time (20:10 UTC). (source: nasaspaceflight.com - more...)

12/04/2015 - Russia's Ministry of Defense on April 1 established the Aerospace Monitoring Forces (AMF) tasked with providing security to spacecraft and the International Space Station (ISS) and enforcing international rules of space conduct. The military corps, dubbed the Space Patrol by the Russian media, will carry out joint missions in cooperation with similar forces under development in other countries across the globe, including the United States, China and Germany. The United Nations welcomed Russi ... (source: spacedaily.com - more...)

10/04/2015 - As preparations continue for next week’s Falcon 9 launch of the CRS-6 Dragon spacecraft from Cape Canaveral, SpaceX’s Vandenberg team has put the In-Flight abort booster through a tanking test. The unique Falcon 9 – sporting just three engines – will be tasked with lofting a Dragon 2 test vehicle into the Max-Drag region of ascent, before conducting an abort scenario. (source: nasaspaceflight.com - more...)

08/04/2015 - When NASA's new Space Launch System (SLS) launches on its first flight, it will be doing some serious multi-tasking. Not only will Exploration Mission-1 test the performance of SLS and its integration with the Orion spacecraft - the agency plans to use its massive lift capability to carry nearly a dozen nano-satellites to conduct science experiments beyond low Earth orbit. NASA's newest rocket will launch Orion on an uncrewed test flight to a distant retrograde orbit around the moon. Tucked inside ... (source: spacedaily.com - more...)

08/04/2015 - NASA’s Human Architecture Team (HAT) has opted to remove supersonic parachutes as an option for landing “human-scale hardware” on the surface of Mars. The decision will result in all forward planning involving a mix of supersonic retro propulsion in combination with deployable, inflatable, and rigid aeroshells for missions to the Red Planet. (source: nasaspaceflight.com - more...)

07/04/2015 - Now orbiting high over the night side of a dwarf planet far from Earth, Dawn arrived at its new permanent residence on March 6. Ceres welcomed the newcomer from Earth with a gentle but firm gravitational embrace. The goddess of agriculture will never release her companion. Indeed, Dawn will only get closer from now on. With the ace flying skills it has demonstrated many times on this ambitious deep-space trek, the interplanetary spaceship is using its ion propulsion system to maneuver into a circu ... (source: spacedaily.com - more...)

03/04/2015 - SpaceX is set for a salvo of events over the coming months, ranging from resupply runs to the International Space Station, to abort test objectives for its Dragon 2 program. The company envisions two launches of its Falcon 9 v1.1 rocket in April, followed by a pad abort test in early May – all conducted from Cape Canaveral’s SLC-40. (source: nasaspaceflight.com - more...)

02/04/2015 - Europe's pioneering probe Rosetta battled breakdowns with navigation and communication with Earth after it ran into blasts of dust and gas from the comet it is tracking, mission control said Thursday. Swooping close to Comet 67P/Churyumov-Gerasimenko, Rosetta "experienced significant difficulties" last weekend, the European Space Agency (ESA) said. "The spacecraft has now been successfully recovered, but it will take a little longer to resume normal scientific operations," ESA said in a blog. ... (source: spacedaily.com - more...)

01/04/2015 - Two robotic missions, aimed at gaining further understanding into the threat of asteroids, passed major milestones this week. NASA’s OSIRIS-REx spacecraft and ESA’s Asteroid Impact Mission (AIM) are set to travel deep into space to probe the space rocks that will also become the focus of human Beyond Earth Orbit (BEO) space exploration throughout the next decade. (source: nasaspaceflight.com - more...)

31/03/2015 - As NASA's New Horizons spacecraft approaches the Pluto system, its space plasma (also called charged particle) instruments - SWAP and PEPSSI - have already been taking measurements and assessing the space weather environment in the Kuiper Belt near Pluto. "Results from those measurements are being radioed to the ground and our team is already learning new things about the distant environment near Pluto's orbit, 3 billion miles from Earth," says New Horizons Principal Investigator Alan Stern, from ... (source: spacedaily.com - more...)

31/03/2015 - A Russian Rokot launch vehicle with a Briz-KM Upper Stage has launched from the Plesetsk space center in northern Russia, carrying the another trio of Gonets-M satellites with a Cosmos 2499 satellite also classed as hitching a ride. The launch took place at 13:48 UTC on Tuesday, following a delay due to issues with its first stage engine during pre-launch processing. (source: nasaspaceflight.com - more...)

30/03/2015 - The Chinese opened their 2015 campaign with the launch of a Long March 3C with the first of a new generation of navigation satellites. The launch – of what is believed to be a satellite called Beidou-3 M1 – took place at 13:52 UTC from the Xichang Satellite Launch Center, utilizing the debut use of the new Expedition-1 (Yuanzheng-1) upper stage. (source: nasaspaceflight.com - more...)

28/03/2015 - India will continue deployment of its IRNSS navigation system Saturday, with the launch of the fourth satellite atop a Polar Satellite Launch Vehicle from the Satish Dhawan Space Centre at Sriharikota. Scheduled for 17:19 local time (11:49 UTC), the IRNSS-1D mission marks India’s first orbital launch of the year. (source: nasaspaceflight.com - more...)

27/03/2015 - A Soyuz FG rocket launched the Soyuz TMA-16M spacecraft from the Baikonur Cosmodrome ahead of a successful docking with the International Space Station (ISS) on Friday. Onboard the Russian workhorse were Cosmonauts Gennady Padalka and Mikail Kornienko, along with NASA astronaut Scott Kelly. Kornienko and Kelly will both spend a full year on the orbital outpost. (source: nasaspaceflight.com - more...)

27/03/2015 - An Arianespace Soyuz ST-B has successfully launched another pair of Galileo satellites from the European Spaceport in Kourou, French Guiana on Friday. The lofting of the FM03 and FM04 satellites took place on schedule at 21:46 UTC, as Europe’s Global Navigation Satellite System (GNSS) constellation continues construction in orbit. (source: nasaspaceflight.com - more...)

25/03/2015 - Japan’s H-IIA rocket has made its second flight of the year Thursday, carrying a new-generation optical imaging satellite for the country’s military. The launch of IGS Optical-5 occurred on schedule at 10:21 local time (01:21 UTC), setting sail from the first pad of the Tanegashima Space Centre’s Yoshinobu Launch Complex. (source: nasaspaceflight.com - more...)

25/03/2015 - United Launch Alliance (ULA) is set to deploy the ninth Block IIF Global Positioning System navigation satellite Wednesday in an afternoon launch from Cape Canaveral. Liftoff, atop a Delta IV rocket, is scheduled for 14:36 EDT (18:36 UTC), at the opening of an 18-minute window at Space Launch Complex 37B. (source: nasaspaceflight.com - more...)

25/03/2015 - International Space Company (ISC) Kosmotras is set to launch its Russian Dnepr rocket from Dombarovsky on Wednesday, carrying the Kompsat-3A satellite for the Korea Aerospace Research Institute (KARI). The launch – which nearly fell foul of a proposed shutdown of Dnepr utilization – is scheduled for 22:08 UTC. (source: nasaspaceflight.com - more...)

23/03/2015 - As was promised, NASA is not abandoning Sierra Nevada Corporation (SNC) and its Dream Chaser vehicle, despite the spaceplane losing out on the lucrative Commercial Crew Transportation Capability (CCtCap) award last year. An agreement has been was reached for SNC to continue to work with NASA through to the Critical Design Review (CDR) level of maturity for the vehicle. (source: nasaspaceflight.com - more...)

19/03/2015 - A Russian Proton-M was in action on Wednesday, lofting the Ekspress-AM7 communications satellite on what was a multi-hour flight to a geostationary orbit via its Briz-M Upper Stage. The Russian workhorse launched from its traditional home at the Baikonur Cosmodrome in Kazakhstan at 22:05 UTC on a nominal first leg of the flight, before successfully deploying the spacecraft. (source: nasaspaceflight.com - more...)

19/03/2015 - SpaceX’s reusability aspirations will receive further testing at Spaceport America, in the shape of the first successfully recovered Falcon 9 first stage. The New Mexico spaceport will host the recovered booster – potentially the core stage from the upcoming CRS-6 mission, if recovered – for an additional flight to find hardware limits, paving the way for the first full reuse of a stage during a future launch in 2016. (source: nasaspaceflight.com - more...)

18/03/2015 - NASA has selected the United Launch Alliance (ULA) to loft its Solar Probe Plus (SPP) mission to study the Sun’s outer atmosphere. The July, 2018 launch will utilize ULA’s Delta IV Heavy rocket, augmented by Orbital ATK’s Star-48 solid motor as a third stage, in order to cope with the extremely high energy required for this flagship mission. (source: nasaspaceflight.com - more...)

17/03/2015 - While looking for life on planets beyond our own solar system, a group of international scientists has created a colorful catalog containing reflection signatures of Earth life forms that might be found on planet surfaces throughout the cosmic hinterlands. The new database and research, published in the Proceedings of the National Academy of Sciences, gives humans a better chance to learn if we are not alone. "This database gives us the first glimpse at what diverse worlds out there could look lik ... (source: spacedaily.com - more...)

16/03/2015 - The Space Launch System (SLS) management have set the milestones and dates for the upcoming Critical Design Review (CDR). This key review will serve as the rocket’s graduation ceremony, confirming the design is ready to enter production ahead of its debut flight during Exploration Mission -1 (EM-1), currently targeting July, 2018. (source: nasaspaceflight.com - more...)

14/03/2015 - NASA’s Morpheus team have completed a review of its operations, following the conclusion of its test program. This week’s overview – which also hinted at the possibility of a new lander vehicle – provided a glowing review of a project that conducted 63 test flights and only cost $14 million over four years, in turn creating a roadmap for future “lean” programs within NASA. (source: nasaspaceflight.com - more...)

12/03/2015 - United Launch Alliance’s Atlas V rocket launched NASA’s Magnetospheric Multiscale (MMS) mission on Thursday. Launching from Cape Canaveral, the rocket placed the four-satellite constellation into a highly elliptical orbit, beginning a two-year mission to study reconnection in the magnetosphere. Launch occurred at the start of a thirty-minute window at 22:44 local time (02:44 UTC on Friday). (source: nasaspaceflight.com - more...)

11/03/2015 - NASA astronaut Barry Wilmore – along with flight engineers Alexander Samokutyaev and Elena Serova – bid farewell to their six month tour on the International Space Station (ISS) arrived home aboard their Soyuz TMA-14M spacecraft on Wednesday. Their mission concluded with a parachute-assisted – loss-of-communication drama – landing on the steppe of Kazakhstan early on Thursday morning local time. (source: nasaspaceflight.com - more...)

10/03/2015 - Orbital ATK’s Qualification Motor -1 (QM-1) test has conducted a key firing on Wednesday, on the path towards the debut launch of the Space Launch System (SLS). The five segment solid rocket booster came to life at the Promontory test site in Utah, concluding a long path to its big day, involving a major investigation – and subsequent solution – after the discovery of voids in one of its segments. (source: nasaspaceflight.com - more...)

09/03/2015 - NASA has begun to plan its Liquid Hydrogen options relating to debut launch of the Space Launch System (SLS). Options under consideration include the staging of up to 30 trailers full of LH2, ready to replenish the storage tank at Pad 39B. The main consideration relates to a scrub late in the countdown – which would result in a shortfall of 330,000 gallons based on the current storage infrastructure. (source: nasaspaceflight.com - more...)

09/03/2015 - Three seconds. That's all it took for the attitude control motor of NASA's Orion Launch Abort System (LAS) to prove that its material can survive not only the intense temperatures, pressures, noise and vibrations experienced during a launch emergency but also 40 percent beyond. The LAS is being designed to bring a crew to safety should there be a problem in the launch pad or during ascent. "We tested over the maximum expected environments to assure the motor could withstand an abort emergency," ex ... (source: spacedaily.com - more...)

06/03/2015 - The Russian robot-android which is controlled through a wearable interface will be heading to the ISS soon, the head of the Gagarin Cosmonaut Training Center announced. The Russian SAR-401 robot-android will be sent to the International Space Station (ISS) soon, head of the Gagarin Cosmonaut Training Center Yuri Lonchakov told Russian media on Thursday. We have a very big robotics program. This is one of the most important directions of the lab which we made together with the Russian Academy ... (source: spacedaily.com - more...)

06/03/2015 - A primitive ocean on Mars held more water than Earth's Arctic Ocean, and covered a greater portion of the planet's surface than the Atlantic Ocean does on Earth, according to new results published this week. An international team of scientists used ESO's Very Large Telescope, along with instruments at the W. M. Keck Observatory and the NASA Infrared Telescope Facility, to monitor the atmosphere of the planet and map out the properties of the water in different parts of Mars's atmosphere over a six-year ... (source: spacedaily.com - more...)

05/03/2015 - Mission planners at NASA have installed four Commercial Crew demonstration missions into the International Space Station (ISS) manifest. Both SpaceX’s Dragon 2 (V2) and Boeing’s CST-100 will conduct uncrewed and crewed qualification missions – beginning as early as December, 2016 – prior to the awarding of the US Crew Vehicle -1 (USCV-1) mission for NASA. (source: nasaspaceflight.com - more...)

05/03/2015 - NASA s Dawn spacecraft has completed its historic arrival at the dwarf planet Ceres. With the completion of a multi-year mission and journey, Dawn slipped into Ceres orbit on Friday (March 6) to become the first human-made object to enter orbit of two separate celestial bodies and the first-ever human object to visit one of the dwarf planets of our solar system. (source: nasaspaceflight.com - more...)

03/03/2015 - In 1938, Orson Welles narrated a radio broadcast of "War of the Worlds" as a series of simulated radio bulletins of what was happening in real time as Martians arrived on our home planet. The broadcast is widely remembered for creating public panic, although to what extent is hotly debated today. Still, the incident serves as an illustration of what could happen when the first life beyond Earth is discovered. While scientists might be excited by the prospect, introducing the public, politicians an ... (source: spacedaily.com - more...)

01/03/2015 - SpaceX’s Falcon 9 rocket made its sixteenth launch Sunday, carrying a pair of commercial communications satellites in the company’s first dual launch to a geosynchronous transfer orbit. The Falcon departed at the first attempt from Cape Canaveral’s Space Launch Complex 40 at the start of a 44-minute window that opened at 22:50 local time (03:50 UTC). (source: nasaspaceflight.com - more...)

01/03/2015 - NASA astronauts Terry Virts and Barry Butch Wilmore have stepped outside the ISS on Sunday on what is the final in a series of three spacewalks to prepare the station for the arrival of future cargo and crew vehicles. EVA-31, which began at 11:52 PM GMT, is focus on installing a new communications system for the future vehicles. (source: nasaspaceflight.com - more...)

27/02/2015 - NASA is ready to continue to cooperate with its International Space Station (ISS) partners, including Russia, for at least nine more years, the space agency has said in a statement. "The Obama administration is committed to extending operation of the International Space Station to at least 2024," NASA said in the statement obtained by RIA Novosti on Thursday, adding that it welcomes "continued cooperation" from its ISS partners in support of this extension and looks forward to working with them on ... (source: spacedaily.com - more...)

27/02/2015 - Russia has launched its Soyuz 2-1A rocket on Friday, tasked with deploying its first Bars-M reconnaissance satellite. The early afternoon launch from Site 43/4 at the Plesetsk Cosmodrome, located in the north of the country, occurred at 14:01 Moscow Time (11:01 UTC). (source: nasaspaceflight.com - more...)

26/02/2015 - A new study sheds light on how exoplanets in tightly-packed solar systems interact with each other gravitationally by affecting one another's climates and their abilities to support alien life. Because the exoplanets are so close to one another in these compact solar systems, they have tidal influence, much like the Earth and the Moon have on each other. The tides modify the spin rates, axial tilts and orbits of these planets over time, and therefore alter their climates. The study examines ... (source: spacedaily.com - more...)

25/02/2015 - Russia will continue using the International Space Station (ISS) until around 2024 and is planning to build its own orbital outpost using the existing ISS modules, Federal Space Agency Roscosmos said Tuesday. "The configuration of a multi-purpose lab module, a docking module and a scientific-energy module allows us to build an orbital station to ensure Russia's access to outer space," Roscosmos Science and Technology Board said in a statement. In addition, Russia will actively study the Moon ... (source: spacedaily.com - more...)

21/02/2015 - A pair of American astronauts Saturday wrapped up the first of three spacewalks to route cables outside the International Space Station so commercial spaceships carrying crew can dock there in the coming years. The spacewalk began at 7:45 am (1245 GMT) when Barry "Butch" Wilmore and flight engineer Terry Virts placed their suits on internal battery power, NASA said. Moments later, the pair - each carrying two suitcase-like bags of cables and tools - floated outside the airlock to begin the fi ... (source: spacedaily.com - more...)

20/02/2015 - NASA'S Mars Atmosphere and Volatile Evolution has completed the first of five deep-dip maneuvers designed to gather measurements closer to the lower end of the Martian upper atmosphere. "During normal science mapping, we make measurements between an altitude of about 150 km and 6,200 km (93 miles and 3,853 miles) above the surface," said Bruce Jakosky, MAVEN principal investigator at the University of Colorado's Laboratory for Atmospheric and Space Physics in Boulder. "During the deep-dip ca ... (source: spacedaily.com - more...)

20/02/2015 - The giant boosters that will help shove NASA’s new monster rocket uphill are hitting milestones on two fronts. As Orbital ATK prepare for next month’s Qualification Motor -1 (QM-1) test firing of the five segment solid motor, teams are also testing the technologies required for the Advanced Booster – a motor that is set to provide SLS with extra upmass capability from the mid 2020s onwards. (source: nasaspaceflight.com - more...)

19/02/2015 - Exactly 85 years after Clyde Tombaugh's historic discovery of Pluto, the NASA spacecraft set to encounter the icy planet this summer is providing its first views of the small moons orbiting Pluto. The moons Nix and Hydra are visible in a a href="http://pluto.jhuapl.edu/News-Center/News-Article.php?page=20150218">series of images /a> taken by the New Horizons spacecraft from Jan. 27-Feb. 8, at distances ranging from about 125 million to 115 million miles (201 million to 186 million kilometers). Th ... (source: spacedaily.com - more...)

18/02/2015 - Beijing's significant military advance has been furthered with its venture into hypersonic weapons systems. China is working on hypersonic cruise missiles for which it is working on scramjet engines and also on Hypersonic Glide Vehicle (HGV). In 2014, Beijing has conducted three test-firings of its HGV, the Wu-14. The first test-firing was conducted in January, while the second one was conducted in August and the latest one has been conducted in December and witnessed both success and failure with ... (source: spacedaily.com - more...)

18/02/2015 - SpaceX’s new rocket system, the Falcon Heavy, is continuing preparations for her 2015 debut, with work taking place around the country. Modifications to Pad 39A at Kennedy Space Center (KSC) are now making visible progress, in tandem with the opening hardware fabrication and testing at SpaceX assets – hardware that is being born with SpaceX’s forward-thinking reusable ambitions. (source: nasaspaceflight.com - more...)

16/02/2015 - In 2012, dozens of amateur astronomers spotted large plumes of dust rising off the surface of Mars. More than two years later, scientists still don't have a suitable explanation for the phenomenon. In a new study, published this week in the journal Nature, scientists recount the strange occurrence and survey the various attempts to illuminate the plumes' origins or cause. The phenomenon was observed twice, over the course of two ten-week long periods, in March and April of 2012. What beg ... (source: spacedaily.com - 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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