Dataset of Government Satellites in Space
This dataset contains 490 entries.

  Overview

This is a dataset of government satellites, based on UCS Satellite Database compiled by the Union of Concerned Scientist (UCS).

Most government satellites are launched for the purpose of earth observation (53.3%).Most government satellites are launched for the purpose of earth observation (53.3%).Majority of these satellites are LEO satellites, with around 365 (74.5%) launched so far.


  Data Table

Preparing data

  More..

Insights from the government satellite dataset

  Which year saw the most government satellites launched?

That year is 2018, which saw 63 government satellites launched.

  Who operates or owns the most government satellites?

Indian Space Research Organization (ISRO) owns/operates the most number of government satellites (42 - 8.6% of the satellites in this dataset).

  Which country operates or owns the most government satellites?

China owns/operates the most number of government satellites (169 - 34.5% of the satellites in this dataset).

  Which rocket has delivered the most government satellites to space?

The rocket that has delivered the most government satellites to space is Long March 2D which has delivered 49 satellites (10.0%).

  Which launch site has launched the most government satellites to space?

The launch site that has delivered the most government satellites to space is Jiuquan Satellite Launch Center which has launched 73 government satellites (14.9%).

  What is the most common type of satellite orbit?

Sun-Synchronous orbit is the most common type of orbit (280 satellites - 57.1%).

  Apogee, Perigee & Period

The perigees (point of the orbit closest to the Earth's center of mass) of the satellites range from 170km to 62,200km, with the average perigee being 8,347.2km from the Earth, while the apogees (point of the orbit farthest from the Earth's center of mass) of the satellites range from 317km to 330,000km, with the average apogee being 12,821.7km from the Earth. The longest period a satellite takes to orbit around the Earth is 11,520 minutes.

  Satellite Mass

The launch masses (include fuel) of the satellites range from 1kg to 22,500kg, while the dry masses (excluding fuel) of the satellites range from 15kg to 3,414kg.


Highlights on some of the government satellites:

Cryosat-2.

CryoSat and climate change

Operated by European Space Agency (ESA) of ESA, Cryosat-2 is a government satellite launched for the purpose of earth observation (Radar Imaging).

Delivered via Dnepr (launch vehicle) from Baikonur Cosmodrome, it was launched into space on 8 April 2010 and orbits the Earth as a polar LEO satellite. Cryosat-2 was constructed by EADS Astrium (France/UK/Germany/Spain).

Designed with an operational lifetime of 3 years, Cryosat-2 has a launch mass of 720 kg and navigates with the COSPAR ID 2010-013A and NORAD ID 36508.

Taking 99 minutes to orbit the Earth, the satellite's perigee, which is the point of the orbit closest to the Earth's center of mass, is 713km while its apogee, which is the point of the orbit farthest from the Earth's center of mass, is 724km. The eccentricity of the orbit is 7.76E-04 and it orbits at an inclination of 92 degrees to the equatorial plane of the Earth.

 

 Compare Cryosat-2 with Astrocast-0202 from Switzerland.

 Compare Cryosat-2 with USA 210 from USA.


IRIS.

NASA | IRIS: The Science of NASA's Newest Solar Explorer

IRIS is a government satellite operated by National Aeronautics and Space Administration (NASA) (USA) for the purpose of space science.

Constructed by Lockheed Martin Space Systems Advanced Technology Center (ATC) (USA), it was launched into space using L1011 as the launch vehicle from Vandenberg AFB on 28 June 2013. IRIS orbits around the Earth as a sun-synchronous LEO satellite.

Designed with an operational lifetime of 2 years, IRIS has a launch mass of 236 kg and dry mass of 678 kg. It navigates with the COSPAR ID 2013-033A and NORAD ID 39197.

With an orbital eccentricity of 3.14E-03, the satellite's perigee, which is the point of the orbit closest to the Earth's center of mass, is 620km while its apogee, which is the point of the orbit farthest from the Earth's center of mass, is 664km. It takes 98 minutes to orbit the Earth.

With generated usable power of 50 watts, IRIS orbits at an inclination of 98 degrees to the equatorial plane of the Earth.

 

 Compare IRIS with ELFIN-A from USA.

 Compare IRIS with SpaceBEE-14 from USA.


CHEOPS.

Cheops: the science begins

A government satellite, CHEOPS is operated by European Space Agency (ESA) of ESA for the purpose of space science.

Constructed by European Space Agency (ESA/EADS CASA Espacio), it was launched into space on 18 December 2019 using Soyuz as the launch vehicle from Guiana Space Center. CHEOPS orbits around the Earth as a sun-synchronous LEO satellite.

CHEOPS has a launch mass of 273 kg and is expected to have a operational lifetime of 5 years. It navigates with the COSPAR ID 2019-092B and NORAD ID 44874.

Taking 99 minutes to orbit the Earth, the satellite's perigee, which is the point of the orbit closest to the Earth's center of mass, is 697km while its apogee, which is the point of the orbit farthest from the Earth's center of mass, is 708km. The eccentricity of the orbit is 7.78E-04 and it orbits at an inclination of 98 degrees to the equatorial plane of the Earth.

 

 Compare CHEOPS with Starlink-2393 from USA.

 Compare CHEOPS with Starlink-2711 from USA.


Sentinel 3A.

Meet the Satellite: Sentinel-3

  Heaviest satellite launched by EUMETSAT (European Organization For The Exploitation Of Meteorological Satellites) into space at 2,300 kg

A government satellite, Sentinel 3A is operated by EUMETSAT (European Organization for the Exploitation of Meteorological Satellites) of ESA for the purpose of earth observation (Earth Science).

Delivered via Rokot (launch vehicle) from Plesetsk Cosmodrome, it was launched into space on 16 February 2016 and orbits the Earth as a sun-synchronous LEO satellite. Sentinel 3A was constructed by Thales Alenia Space (France).

Designated with COSPAR ID 2016-011A and NORAD ID 41335, Sentinel 3A is designed to operate in space for a lifetime of 7 years. It has a launch mass of 2,300 kg and dry mass of 2,146 kg.

With an orbital eccentricity of 1.39E-04, the satellite's perigee, which is the point of the orbit closest to the Earth's center of mass, is 802km while its apogee, which is the point of the orbit farthest from the Earth's center of mass, is 804km. It takes 101 minutes to orbit the Earth at an inclination of 99 degrees to the equatorial plane of the Earth.

 

 Compare Sentinel 3A with Dove 3p-4 from USA.

 Compare Sentinel 3A with Hodoyoshi-3 from Japan.


PACE-1.

PACE: Persistence and Perseverance Despite Pandemic

Designed for technology demonstration, PACE-1 is a government satellite operated by National Aeronautics and Space Administration (NASA) (USA).

A sun-synchronous LEO satellite, it was launched into space using Falcon 9 as the launch vehicle from Cape Canaveral on 30 June 2021. PACE-1 was constructed by NASA Ames Research Center (USA).

PACE-1 has a launch mass of 10 kg and navigates with the COSPAR ID 2021-059G and NORAD ID 48909.

Taking 94 minutes to orbit the Earth, the satellite's perigee, which is the point of the orbit closest to the Earth's center of mass, is 524km while its apogee, which is the point of the orbit farthest from the Earth's center of mass, is 536km. The eccentricity of the orbit is 8.70E-04 and it orbits at an inclination of 98 degrees to the equatorial plane of the Earth.

 

 Compare PACE-1 with Dove 3m-2 from USA.

 Compare PACE-1 with ICEYE-X2 from Finland.


Saudisat-5A.

Long March-2D launches SaudiSat 5A, SaudiSat 5B and CubeSats

  Heaviest satellite launched by Saudi Arabia into space at 425 kg

Operated by Space Research Institute, King Abdulaziz City for Science and Technology of Saudi Arabia, Saudisat-5A is a government satellite launched for the purpose of earth observation (Optical Imaging).

Constructed by King Abdulaziz City for Science and Technology (Saudi Arabia), it was launched into space using Long March 2D as the launch vehicle from Jiuquan Satellite Launch Center on 7 December 2018. Saudisat-5A orbits around the Earth as a sun-synchronous LEO satellite.

Saudisat-5A has a launch mass of 425 kg and is expected to have a operational lifetime of 5 years. It navigates with the COSPAR ID 2018-102A and NORAD ID 43831.

Taking 95 minutes to orbit the Earth, the satellite's perigee, which is the point of the orbit closest to the Earth's center of mass, is 533km while its apogee, which is the point of the orbit farthest from the Earth's center of mass, is 551km. The eccentricity of the orbit is 1.30E-03 and it orbits at an inclination of 98 degrees to the equatorial plane of the Earth.

 

 Compare Saudisat-5A with Starlink-1584 from USA.

 Compare Saudisat-5A with Monolith from USA.


CYGNSS-A.

CYGNSS Overview

  Heaviest satellite launched by University Of Michigan And NASA Earth Science Technology Office into space at 29 kg

A government satellite, CYGNSS-A is operated by University of Michigan and NASA Earth Science Technology Office of USA for the purpose of earth observation (Radar Imaging and Earth Science).

A non-polar inclined LEO satellite, it was launched into space using Pegasus as the launch vehicle from Orbital ATK L-1011 on 15 December 2016. CYGNSS-A was constructed by Southwest Research Institute (USA).

CYGNSS-A has a launch mass of 29 kg and navigates with the COSPAR ID 2016-078D and NORAD ID 41887.

Taking 95 minutes to orbit the Earth, the satellite's perigee, which is the point of the orbit closest to the Earth's center of mass, is 515km while its apogee, which is the point of the orbit farthest from the Earth's center of mass, is 537km. The eccentricity of the orbit is 1.60E-03 and it orbits at an inclination of 35 degrees to the equatorial plane of the Earth.

 

 Compare CYGNSS-A with Starlink-2578 from USA.

 Compare CYGNSS-A with Iridium Next 167 from USA.


ICON.

The Making of NASA’s ICON Mission

  Second heaviest satellite launched by Pegasus into space at 288 kg

Operated by National Aeronautics and Space Administration (NASA) of USA, ICON is a government satellite launched for the purpose of space science.

A non-polar inclined LEO satellite, it was launched into space using Pegasus as the launch vehicle from Stargazer L-1011 on 11 October 2019. ICON was constructed by National Aeronautics and Space Administration (NASA) (USA).

ICON has a launch mass of 288 kg and navigates with the COSPAR ID 2019-068A and NORAD ID 44628.

Taking 97 minutes to orbit the Earth, the satellite's perigee, which is the point of the orbit closest to the Earth's center of mass, is 579km while its apogee, which is the point of the orbit farthest from the Earth's center of mass, is 601km. The eccentricity of the orbit is 1.58E-03 and it orbits at an inclination of 27 degrees to the equatorial plane of the Earth.

 

 Compare ICON with Faraday Phoenix from United Kingdom.

 Compare ICON with Starlink-2316 from USA.


Get more insights from these satellite datasets

  Full datasets:  All satellites by launch date   |   The Heaviest Satellites That Are Launched to Space

  By Use Type:  Civil-use satellites   |   Commercial satellites   |   Government satellites   |   Military satellites

  By Country:  USA   |   UK   |   France   |   Germany   |   Japan   |   China   |   Russia   |   Australia   |   Canada

  By Orbit Class/Type:  LEO satellites   |   MEO satellites   |   GEO satellites   |   Elliptical orbit   |   Polar orbit   |   Equatorial orbit   |   Non-polar inclined orbit   |   Sun-synchronous orbit   |   Molniya orbit

  By Operators:  SpaceX   |   EUTELSAT   |   SES   |   European Space Agency (ESA)   |   Planet Labs   |   Iridium   |   Spire Global   |   OneWeb   |   Swarm Technologies   |   NASA - Dataset of Satellites Launched (National Aeronautics and Space Administration)   |   Canadian Space Agency (CSA) - Dataset of Satellites Launched

  By Launch Vehicle:  Falcon 9   |   Ariane 5   |   Ariane 5 ECA   |   Delta 2   |   Dnepr   |   Electron   |   Falcon Heavy   |   Long March 2C   |   Long March 2D   |   Long March 3B   |   Pegasus   |   Proton   |   Proton M   |   PSLV   |   Rokot   |   Soyuz   |   Soyuz-2.1b   |   Vega

  By Launch Vehicle:  Cape Canaveral   |   Baikonur Cosmodrome   |   Guiana Space Center   |   International Space Station   |   Jiuquan Satellite Launch Center   |   Plesetsk Cosmodrome   |   Rocket Lab Launch Complex 1   |   Satish Dhawan Space Centre   |   Taiyuan Launch Center   |   Vandenberg AFB   |   Xichang Satellite Launch Center   |   Boeing Satellite Systems   |   Airbus Defense and Space   |   EADS Astrium   |   Lockheed Martin Commercial Space Systems   |   Space Systems/Loral   |   Surrey Satellite Technology   |   Technical University Berlin   |   Thales Alenia Space


  Interactive Chart

Chart 1: Major Operators
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Chart 2: Satellites by Purpose
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Chart 3: Satellites by Country
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  Attributions

No attribution sources specified.
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