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:

CHEOPS.

Cheops: the science begins

Operated by European Space Agency (ESA) of ESA, CHEOPS is a government satellite launched 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.

With a launch mass of 273kg, CHEOPS is designed to operate in space for a lifetime of 5 years. It orbits around the Earth with the COSPAR ID 2019-092B and NORAD ID 44874.

With an orbital eccentricity of 7.78E-04, 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. It takes 99 minutes to orbit the Earth at an inclination of 98 degrees to the equatorial plane of the Earth.

 

 Compare CHEOPS with Starlink-2654 from USA.

 Compare CHEOPS with Starlink-1135 from USA.


Hubble Space Telescope.

The Extraordinary Hubble Space Telescope

  Third heaviest non-polar inclined satellite launched into space at 11,110 kg

Hubble Space Telescope is a government satellite operated by European Space Agency (ESA) and NASA (ESA/USA) for the purpose of space science.

Delivered via Space Shuttle (STS 31) (launch vehicle) from Cape Canaveral, it was launched into space on 25 April 1990 and orbits the Earth as a non-polar inclined LEO satellite. Hubble Space Telescope was constructed by European Space Agency/NASA (International).

Designated with COSPAR ID 1990-037B and NORAD ID 20580, Hubble Space Telescope is designed to operate in space for a lifetime of 10 years. It has a launch mass of 11,110 kg.

With an orbital eccentricity of 2.89E-04, the satellite's perigee, which is the point of the orbit closest to the Earth's center of mass, is 555km while its apogee, which is the point of the orbit farthest from the Earth's center of mass, is 559km. It takes 96 minutes to orbit the Earth.

With generated usable power of 2400 watts, Hubble Space Telescope orbits at an inclination of 29 degrees to the equatorial plane of the Earth.

 

 Compare Hubble Space Telescope with Starlink-1798 from USA.

 Compare Hubble Space Telescope with OneWeb-0069 from United Kingdom.


Shijian 20.

Shijian-20 - the first DFH-5 satellite

  Second heaviest GEO satellite launched into space at 7,600 kg

A government satellite, Shijian 20 is operated by China Aerospace Science and Technology Corporation (CASC) of China for the purpose of technology development.

Constructed by China Aerospace Science and Technology Corp. (CASC) (China), it was launched into space on 27 December 2019 using Long March 5 as the launch vehicle from Wenchang Satellite Launch Center. Shijian 20 orbits around the Earth as a sun-synchronous GEO satellite.

Designed with an operational lifetime of 20 years, Shijian 20 has a launch mass of 7,600 kg and navigates with the COSPAR ID 2019-097A and NORAD ID 44910.

With an orbital eccentricity of 8.66E-04, the satellite's perigee, which is the point of the orbit closest to the Earth's center of mass, is 35,751km while its apogee, which is the point of the orbit farthest from the Earth's center of mass, is 35,824km. It takes 1,436 minutes to orbit the Earth along the longitude of 125 degrees.

 

 Compare Shijian 20 with Sirius XM-8 from USA.

 Compare Shijian 20 with Telstar 18 Vantage from Canada.


TESS.

NASA’s New Planet Hunter: TESS

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

Constructed by NASA/MIT (USA), it was launched into space on 18 April 2018 using Falcon 9 as the launch vehicle from Cape Canaveral. TESS orbits around the Earth as a Elliptical satellite.

TESS has a launch mass of 362 kg and is expected to have a operational lifetime of 20 years. It navigates with the COSPAR ID 2018-038A and NORAD ID 43435.

Taking 8,758 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 258km while its apogee, which is the point of the orbit farthest from the Earth's center of mass, is 268,488km. The eccentricity of the orbit is 9.53E-01 and it orbits at an inclination of 30 degrees to the equatorial plane of the Earth.

 

 Compare TESS with SPIRALE-B from France.

 Compare TESS with TDO 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

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

A sun-synchronous LEO satellite, it was launched into space using Rokot as the launch vehicle from Plesetsk Cosmodrome on 16 February 2016. 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.

Taking 101 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 802km while its apogee, which is the point of the orbit farthest from the Earth's center of mass, is 804km. The eccentricity of the orbit is 1.39E-04 and it orbits at an inclination of 99 degrees to the equatorial plane of the Earth.

 

 Compare Sentinel 3A with ÑuSat-19 from Argentina.

 Compare Sentinel 3A with SALSAT from Germany.


Aeolus.

ESA’s Aeolus satellite explained

  Heaviest satellite launched by European Space Agency (ESA) into space at 1,367 kg

A government satellite, Aeolus is operated by European Space Agency (ESA) of ESA for the purpose of earth observation (Earth Science).

A LEO satellite, it was launched into space using Vega as the launch vehicle from Guiana Space Center on 22 August 2018. Aeolus was constructed by Airbus Defense and Space (France/UK/Germany/Spain).

Designed with an operational lifetime of 3 years, Aeolus has a launch mass of 1,367 kg and navigates with the COSPAR ID 2018-066A and NORAD ID 43600.

Taking 92 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 314km while its apogee, which is the point of the orbit farthest from the Earth's center of mass, is 317km. The eccentricity of the orbit is 2.24E-04 and it orbits at an inclination of 97 degrees to the equatorial plane of the Earth.

 

 Compare Aeolus with Starlink-2754 from USA.

 Compare Aeolus with Cassiope from Canada.


Hodoyoshi-3.

Sun-rising (17th Oct.2014), Hodoyoshi-3 Wide Angle Camera

Designed for technology development, Hodoyoshi-3 is a government satellite operated by University of Tokyo and NESTRA (Japan).

Constructed by University of Tokyo (Japan), it was launched into space on 19 June 2014 using Dnepr as the launch vehicle from Dombarovsky Air Base. Hodoyoshi-3 orbits around the Earth as a sun-synchronous LEO satellite.

Hodoyoshi-3 has a launch mass of 60 kg and orbits around the Earth with the COSPAR ID 2014-033F and NORAD ID 40015.

Taking 98 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 613km while its apogee, which is the point of the orbit farthest from the Earth's center of mass, is 666km. The eccentricity of the orbit is 3.78E-03.

With generated usable power of 50 watts, Hodoyoshi-3 orbits at an inclination of 98 degrees to the equatorial plane of the Earth.

 

 Compare Hodoyoshi-3 with Iridium Next 122 from USA.

 Compare Hodoyoshi-3 with SpaceBEE-57 from USA.


NEOSSat.

First Canadian space telescope dedicated to detecting and tracking asteroids and satellites

Operated by Canadian Space Agency of Canada, NEOSSat is a government satellite launched for the purpose of space observation.

Constructed by Microsat Systems Canada Inc. (Canada), it was launched into space on 25 February 2013 using PSLV as the launch vehicle from Satish Dhawan Space Centre. NEOSSat orbits around the Earth as a sun-synchronous LEO satellite.

NEOSSat has a launch mass of 74 kg and navigates with the COSPAR ID 2013-009D and NORAD ID 39089.

Taking 100 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 772km while its apogee, which is the point of the orbit farthest from the Earth's center of mass, is 786km. The eccentricity of the orbit is 9.79E-04 and it orbits at an inclination of 99 degrees to the equatorial plane of the Earth.

 

 Compare NEOSSat with Starlink-1476 from USA.

 Compare NEOSSat with Starlink-1930 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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