Tracking 17143 objects as of 30-June-2015
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This is "TOP 50" list of the most tracked satellites based on user activity for past 12 hours

Name Description Launched Action
SPACE STATION The International Space Station (ISS) is a joint project of five space agencies: the National Aeronautics and Space Administration (United States), the Russian Federal Space Agency (Russian Federation), the Japan Aerospace Exploration Agency (Japan), the Canadian Space Agency (Canada) and the European Space Agency (Europe). November 20, 1998
SES 1 SES 1 is a communications satellite designed to replace two aging spacecraft serving North America. April 24, 2010
DEIMOS 1 The Deimos 1 satellite will gather wide-angle, medium-resolution images with optical payloads able to see objects about 72 feet [22 m] across. July 29, 2009
GOES 15 GOES 15 (GOES-P) is an American weather satellite, which will form part of the Geostationary Operational Environmental Satellite (GOES) system operated by the US National Oceanic and Atmospheric Administration. March 4, 2010
FUNCUBE 1 (AO-73) FUNcube-1 is a complete educational single CubeSat project with the goal of enthusing and educating young people about radio, space, physics and electronics. November 21, 2013
NOAA 18 Polar-orbiting satellite; long-range weather forecasting; atmospheric and weather monitoring instruments; data stored on-board and transmitted over Fairbanks, AK and Wallops Island, VA. May 20, 2005
ASTRA 2G ASTRA 2G is a commercial communications satellite owned by SES, linking Europe, Africa and the Middle East. December 27, 2014
SAUDISAT 1C SAUDISAT 1C (or SO-50, Saudi-OSCAR 50) carries several experiments, including a mode J FM amateur repeater experiment operating on 145. December 20, 2002
NOAA 19 NOAA-19 is the fifth in a series of five Polar-orbiting Operational Environmental Satellites (POES) with advanced microwave sounding instruments that provide imaging and sounding capabilities. February 6, 2009
LANDSAT 7 April 15, 1999
OTV 4 (USA 261) OTV 4 (USA 261) also known as X-37B is a reusable unmanned spacecraft. May 20, 2015
LANDSAT 8 The Landsat Data Continuity Mission (LDCM), a collaboration between NASA and the U. February 11, 2013
ASTRA 2E ASTRA 2E, built by Astrium Satellites in France and based on the Eurostar E3000 platform, is designed to beam next-generation broadcast, direct-to-home and broadband services over Europe, the Middle East and Africa for a 15-year mission. September 29, 2013
NPP NASA launched the National Polar-orbiting Operational Environmental Satellite System Preparatory Project, or NPP, on Oct. October 28, 2011
ASTRA 2F Astra 2F was produced by the Astrium division of EADS for satellite operator SES, and is configured with Ku- and Ka-band transponders to enable the delivery of next-generation broadcast, VSAT and broadband services in Europe, Middle East and Africa. September 28, 2012
NOAA 15 Polar-orbiting satellite; long-range weather forecasting; atmospheric and weather monitoring instruments; data stored on-board and transmitted over Fairbanks, AK and Wallops Island, VA. May 13, 1998
TERRA The Earth Observing System (EOS) is a science and observation program that will provide long-term (15-year) data sets for Earth system science in order to gain an understanding of the interactions between Earth's land, atmosphere, oceans, and biology. December 18, 1999
SENTINEL 2A SENTINEL 2A, together with the other Sentinels, is gathering data for Europe's Copernicus programme, which will provide accurate, timely & easily accessible information for environmental management, understanding climate change and assisting in disaster response. June 23, 2015
AQUA AQUA (EOS-PM1) is an afternoon equator-crossing platform which includes a suite of sensors designed to study the diurnal properties of cloud and aerosol radiative fluxes, cloud formation, and precipitation (MIMR, AIRS/AMSU-A/MHS, and MODIS-N) in conjunction with a wind scatterometer planned for the Japanese ADEOS-II spacecraft. May 4, 2002
SENTINEL 1A The mission is the first of six families of dedicated missions that will make up the core of Europe's Copernicus environmental monitoring network. April 3, 2014
IRIDIUM 58 March 30, 1998
NAVSTAR 68 (USA 242) NAVSTAR 68 (USA 242) will become the fourth member with the latest enhancements to increase accuracy and security to populate the network since 2010. May 15, 2013
NAVSTAR 71 (USA 256) August 2, 2014
NAVSTAR 55 (USA 178) NAVSTAR 55, also known as USA 178, and as GPS 2R-12, is an American navigational satellite in the GPS fleet that was launched from Cape Canaveral by a Delta 2 rocket at 22:54 UT on 23 June 2004. June 23, 2004
MEASAT 2 Digital video and audio broadcasting, international and domestic VSAT and telecommunication services as well as high-speed Internet access; 6 C-band, 9 Ku-band; Malaysia and neighboring countries. November 13, 1996
RESOURCESAT 2 RESOURCESAT 2 will help officials respond to natural disasters, monitor agriculture and manage urban and rural roads and infrastructure. April 20, 2011
ASIASAT 5 AsiaSat 5, a new 8,289-pound [3,760-kg] broadcasting and networking satellite for Asia, was bolted atop the Russian booster for the launch. August 11, 2009
IRIDIUM 66 April 7, 1998
SIRIUS 1 Relay music, news, entertainment directly to motorists in the USA; a fourth satellite is stored on the ground for rapid replacement, if necessary. June 30, 2000
NAVSTAR 54 (USA 177) Navstar 54, also known as USA 177 and as GPS 2R-11 is an American navigational satellite in the GPS fleet. March 20, 2004
SKYMED 4 COSMO-SKYMED 4 is part of Italy's home-grown Earth observing system, a constellation of radar satellites built for civil and military reconnaissance in a flagship program carrying a 1 billion euro price tag. November 6, 2010
SIRIUS FM-6 Sirius FM6 will become the 10th satellite in the company's space network, including payloads launched before Sirius Satellite Radio and XM Satellite Radio—the two pioneer satellite radio broadcasters—merged to form Sirius XM Radio in 2008. October 25, 2013
SKYNET 4E Used primarily by UK's armed forces, government departments, agencies and other organizations that require secure communications. February 26, 1999
NAVSTAR 64 (USA 206) August 17, 2009
APSTAR 5 (TELSTAR 18) 54 active transponders; one of the most powerful communications satellites built to date; coverage across East Asia and the Pacific Ocean June 29, 2004
COSMOS 2506 June 23, 2015
NAVSTAR 62 (USA 201) The GPS 2R-19 spacecraft rode the three-stage rocket into a preliminary orbit stretching 11,000 miles at its highest point and 100 miles at its lowest, then separated from the booster 68 minutes after liftoff while flying over the western Pacific. March 15, 2008
SIRIUS FM-5 For the next 15 years, Sirius FM5 will supplement and expand the company's radio service to customers across North America. June 30, 2009
NUSTAR NuSTAR is a small X-ray telescope, considered the first step in an ambitious low-cost mission to study supermassive black holes believed to be lurking at the cores of galaxies like Earth's Milky Way and to probe the creation of heavy elements in the cataclysmic death throes of massive stars. June 13, 2012
FLOCK 1B-12 November 20, 1998
XM-5 The satellite will be an orbital spare for the XM 3 and XM 4 satellites currently transmitting operational radio signals. October 14, 2010
SIRIUS 2 SIRIUS 2, also known as SD-RADIO 2 is an American geosynchronous communications spacecraft that was launched by a Proton-K rocket from Baikonur at 09:44 UT. September 5, 2000
CBERS-4 CBERS-4 (China–Brazil Earth Resources Satellite 4), also known as Ziyuan I-04 or Ziyuan 1E, is a remote sensing satellite intended for operation as part of the China–Brazil Earth Resources Satellite programme between the China Centre for Resources Satellite Data and Application and Brazil's National Institute for Space Research. December 7, 2014
RESURS P1 RESURS P1 is a Russian civil remote sensing satellite featuring a modernized high-resolution digital camera to collect imagery of Earth for Russian government agencies and international customers. June 25, 2013
IRIDIUM 49 December 20, 1997
RESURS P2 RESURS P2 is a Russian satellite to survey the globe and a plasma physics experiment to seek out signs of exotic antimatter and dark matter in the cosmos. December 26, 2014
KANOPUS-V 1 The Canopus-B satellite, developed by the All-Russia Research Institute of Electromechanics (NPP VNIIEM), is designed for remote sensing of the Earth. July 22, 2012
BKA 2 The BKA satellite is a Belarusian satellite analogue of the Canopus-B, a satellite designed for remote sensing of the Earth. July 22, 2012
TIANGONG 1 TIANGONG 1 is the first Chinese space laboratory module launched on a critical test flight to demonstrate the vital docking technology required for a future space station. September 29, 2011
PROGRESS-M 26M PROGRESS M-26M is a Russian International Space Station resupply mission. February 17, 2015