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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


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...)

16/02/2015 - NASA’s Crawler Transporter -2 (CT-2) is scheduled to be taken for a “quick” spin to Pad 39B at the Kennedy Space Center (KSC) this week, testing its latest modifications ahead of an active role with the Space Launch System (SLS). Both of NASA’s iconic Crawlers are being re-purposed for SLS, following their previous roles with the Saturn rocket and the Space Shuttle. (source: nasaspaceflight.com - more...)

16/02/2015 - The latest Russian Progress cargo vehicle will be launched on a fast rendezvous, six hour “launch-to-dock”, mission to the International Space Station (ISS) on Tuesday. Progress M-26M (58P) will be lofted uphill via a Soyuz-U launch vehicle from the Baikonur Cosmodrome in Kazakhstan at 11:00 UTC, ahead of docking to the aft port of Zvezda six hours later. (source: nasaspaceflight.com - more...)

13/02/2015 - Europe’s Automated Transfer Vehicle (ATV-5, the Georges Lema tre) is set to depart from the International Space Station (ISS) on Saturday morning, ahead of a destructive re-entry on Sunday. The End Of Mission (EOM) events will complete the final ISS mission for the European cargo ship, although its spirit will live on with NASA’s Orion spacecraft program. (source: nasaspaceflight.com - more...)

12/02/2015 - The impressive Thor 7 satellite will set sail for French Guiana next week, following the completion of its manufacture and testing at Space Systems/Loral (SSL). Designed and built for Telenor Satellite Broadcasting (TSBc), Thor 7 will join SICRAL 2 for a ride uphill atop the Ariane 5 rocket, set to launch out of this European Spaceport in Kourou on April 16. (source: nasaspaceflight.com - more...)

11/02/2015 - One of the ways of improving electrons manipulation is though better control over one of their inner characteristics, called spin. This approach is the object of an entire field of study, known as spintronics. Now, Richard Pincak from the Slovak Academy of Sciences and colleagues have just uncovered new possibilities for manipulating the electrons on the tips of graphitic nanocones. Indeed, in a study published in EPJ B, they have shown that because the tip area offers the greatest curvature, it g ... (source: spacedaily.com - more...)

11/02/2015 - Nearly fifteen years after its originally planned launch date, the US National Oceanic and Atmospheric Administration’s Deep Space Climate Observatory (DSCOVR) mission has set sail atop a SpaceX Falcon 9 rocket on Wednesday at 18:03 local time. A scrub on Sunday’s was followed by unacceptable Upper Level winds ahead of the second attempt on Tuesday. Wednesday’s conditions were perfect for the launch. (source: nasaspaceflight.com - more...)

10/02/2015 - The European Space Agency is flying a reentry demonstration mission Wednesday with its Intermediate Experimental Vehicle (IXV). Boosted by Europe’s lightweight Vega rocket, the IXV flew a suborbital mission culminating in landing and recovery in the Pacific Ocean after around 102 minutes of flight. Liftoff is occurred at 13:40 UTC from Kourou, French Guiana. (source: nasaspaceflight.com - more...)

09/02/2015 - SpaceX’s CRS-5 Dragon spacecraft departed the International Space Station (ISS) ahead of a return to Earth on Tuesday. The EOM (End Of Mission) events climaxed with a parachute-assisted… (source: nasaspaceflight.com - more...)

06/02/2015 - Planetary scientists have calculated that there are hundreds of billions of Earth-like planets in our galaxy which might support life. The new research, led by PhD student Tim Bovaird and Associate Professor Charley Lineweaver from The Australian National University (ANU), made the finding by applying a 200 year old idea to the thousands of exo-planets discovered by the Kepler space telescope. They found the standard star has about two planets in the so-called goldilocks zone, the distance f ... (source: spacedaily.com - more...)

05/02/2015 - One of the final upgrades to Kennedy Space Center’s Pad 39B will begin in earnest, following a deal between the Kennedy s Ground Systems Development and Operations (GSDO) Program and J. P. Donovan Construction. The contract for a new Flame Deflector and associated Flame Trench work is required to help the pad deal with the immense thrust of the Space Launch System (SLS). (source: nasaspaceflight.com - more...)

04/02/2015 - The famous Pegasus Barge is deep into its jumboisation phase, as work continues to prepare it for a role in transporting the massive Space Launch System (SLS) stages from their birth place the Michoud Assembly Facility (MAF). The upgraded Pegasus is set to transport the first major SLS hardware from New Orleans to the Stennis Space Center for testing as early as next year. (source: nasaspaceflight.com - more...)

02/02/2015 - NASA’s 2016 budget proposal has provided a small amount of funding to formate a plan to create a flagship Europa mission. The funding will allow for an Agency level KDP-A (Key Decision Point), prior to entering formulation in the coming months. Space Launch System (SLS) managers have already been working with JPL on providing the launch vehicle option for the spacecraft. (source: nasaspaceflight.com - more...)

01/02/2015 - International Launch Services (ILS) opened their 2015 campaign with the successful launch of the Russian Proton-M rocket, this time carrying the Inmarsat-5 F-2 communications satellite – part of the Inmarsat Global Xpress (GX) system – on a multi-hour flight to its transfer orbit. Launch from the Baikonur Cosmodrome in Kazakhstan was on schedule at 12:31 GMT. (source: nasaspaceflight.com - more...)

31/01/2015 - b>Aerojet Rocketdyne Propulsion Supports ULA Delta II Launch of Soil Moisture Active Passive Satellite for NASA br> /b>Sacramento, CA - Aerojet Rocketdyne has helped propel the United Launch Alliance Delta II rocket, carrying the Soil Moisture Active Passive (SMAP) satellite into orbit for NASA so scientists can better understand the Earth's water, carbon and energy cycles. SMAP was launched from Vandenberg Air Force Base in California. Aerojet Rocketdyne propulsion included an RS-27A booster engine an ... (source: spacedaily.com - more...)

31/01/2015 - SpaceX has conducted a Static Fire test on its latest Falcon 9 v1.1 rocket Saturday, paving the way for a February 8 launch attempt to loft the DSCOVR spacecraft uphill from Cape Canaveral’s SLC-40. The launch will also mark the second attempt to conduct a propulsive landing of the core stage on to the Autonomous Spaceport Drone Ship (ASDS). (source: nasaspaceflight.com - more...)

31/01/2015 - Japan has conducted its first launch of 2015 Sunday with Mitsubishi Heavy Industries lofting a radar reconnaissance satellite with the aid of its H-IIA carrier rocket. Liftoff, from the Tanegashima Space Centre, was on schedule, at the beginning of a thirteen-minute window that opened at 10:21 local time (01:21 UTC). (source: nasaspaceflight.com - more...)

30/01/2015 - Boeing Vice President John Elbon believes the CST-100 spacecraft is part of an intertwined forward path for NASA, centralized around the International Space Station. Boeing is currently working towards launching American astronauts to the orbital outpost on its CST-100 capsule, in tandem with developing the Space Launch System (SLS) that will allow for a return to crewed deep space exploration. (source: nasaspaceflight.com - more...)

29/01/2015 - Two phenomena known to inhibit the potential habitability of planets - tidal forces and vigorous stellar activity - might instead help chances for life on certain planets orbiting low-mass stars, University of Washington astronomers have found. In a paper published this month in the journal Astrobiology, UW doctoral student Rodrigo Luger and co-author Rory Barnes, research assistant professor, say the two forces could combine to transform uninhabitable "mini-Neptunes" - big planets in outer orb ... (source: spacedaily.com - more...)

29/01/2015 - United Launch Alliance (ULA) will conduct a rare Delta II launch on Thursday morning with the venerable rocket orbiting the Soil Moisture Active Passive satellite for NASA in a mission from Vandenberg Air Force Base. The launch is expected to take place during a three-minute window that opens at 06:20:42 local time (14:20 UTC). (source: nasaspaceflight.com - more...)

28/01/2015 - University of Colorado Boulder researchers will update NASA officials next week on a revolutionary space telescope concept selected by the agency for study last June that could provide images up to 1,000 times sharper than the Hubble Space Telescope. CU-Boulder Professor Webster Cash said the instrument package would consist of an orbiting space telescope and an opaque disk in front of it that could be up to a half mile across. According to Cash, diffracted light waves from a target star or ... (source: spacedaily.com - more...)

27/01/2015 - Many satellites that monitor the Earth orbit relatively close to the planet, while some satellites that monitor the sun orbit our star. DSCOVR will keep an eye on both, with a focus on the sun. To cover both the Earth and sun, it will have an unusual orbit in a place called L1. The Deep Space Climate Observatory, or DSCOVR, spacecraft will orbit between Earth and the sun, observing and providing advanced warning of extreme emissions of particles and magnetic fields from the sun known as coronal ma ... (source: spacedaily.com - more...)

26/01/2015 - SpaceX has revealed more details into its upcoming drive to bring the crewed version of its Dragon spacecraft on line, in its bid to return a domestic crew transportation system to the United States. Near term milestones include two abort tests, ahead of launching a crew on the Dragon V2, following what SpaceX estimates will have been after 50 flights of the Falcon 9 launch vehicle. (source: nasaspaceflight.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)

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Photo credit: Oleg Artemyev



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