Dataset of Polar Orbit Satellites in Space
This dataset contains 483 entries.

  Overview

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

Most Polar satellites are launched for commercial use (67.3%) and for the purpose of communications (86.7%).


  Data Table

Preparing data

  More..

Insights from the Polar satellite dataset

  Which year saw the most Polar satellites launched?

That year is 2021, which saw 184 Polar satellites launched.

  Who operates or owns the most Polar satellites?

OneWeb Satellites owns/operates the most number of Polar satellites (288 - 59.6% of the satellites in this dataset).

  Which country operates or owns the most Polar satellites?

United Kingdom owns/operates the most number of Polar satellites (288 - 59.6% of the satellites in this dataset).

  Which rocket has delivered the most Polar satellites to space?

The rocket that has delivered the most Polar satellites to space is Soyuz-2-1b which has delivered 214 satellites (44.3%).

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

The launch site that has delivered the most Polar satellites to space is Vostochny Cosmodrome which has launched 180 Polar satellites (37.3%).

  Apogee, Perigee & Period

The perigees (point of the orbit closest to the Earth's center of mass) of the satellites range from 298km to 1,500km, with the average perigee being 891.4km from the Earth, while the apogees (point of the orbit farthest from the Earth's center of mass) of the satellites range from 418km to 1,516km, with the average apogee being 917.5km from the Earth. The longest period a satellite takes to orbit around the Earth is 116 minutes.

  Satellite Mass

The launch masses (include fuel) of the satellites range from 1kg to 18,000kg, while the dry masses (excluding fuel) of the satellites range from 22kg to 10,000kg.


Highlights on some of the commercial satellites:

Icesat-2.

ICESat-2 Elevates Our View of Earth

Icesat-2 is a government satellite operated by National Aeronautics and Space Administration (NASA) (USA) for the purpose of earth science (Laser Imaging).

Delivered via Delta 2 (launch vehicle) from Vandenberg AFB, it was launched into space on 15 September 2018 and orbits the Earth as a polar LEO satellite. Icesat-2 was constructed by Northrup Grumman Information Systems (USA).

Icesat-2 has a launch mass of 1,515 kg and is expected to have a operational lifetime of 3 years. It navigates with the COSPAR ID 2018-070A and NORAD ID 43613.

With an orbital eccentricity of 9.51E-04, the satellite's perigee, which is the point of the orbit closest to the Earth's center of mass, is 455km while its apogee, which is the point of the orbit farthest from the Earth's center of mass, is 468km. It takes 94 minutes to orbit the Earth at an inclination of 93 degrees to the equatorial plane of the Earth.

 

 Compare Icesat-2 with Starlink-1415 from USA.

 Compare Icesat-2 with ELFIN-A from USA.


KL-Beta-A.

Long March-6 launches two KL-Beta satellites

  Heaviest satellite launched by KLEO Connect into space at 100 kg

Operated by KLEO Connect of Germany, KL-Beta-A is a commercial satellite launched for the purpose of technology development.

A polar LEO satellite, it was launched into space using Long March 6 as the launch vehicle from Taiyuan Launch Center on 4 August 2021. KL-Beta-A was constructed by Shanghai Institute of Microsatellite Innovation, Chinese Academy of Sciences (China).

KL-Beta-A has a launch mass of 100 kg and orbits around the Earth with the COSPAR ID 2021-070A and NORAD ID 49059.

Taking 110 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 899km while its apogee, which is the point of the orbit farthest from the Earth's center of mass, is 907km. The eccentricity of the orbit is 5.50E-04 and it orbits at an inclination of 89 degrees to the equatorial plane of the Earth.

 

 Compare KL-Beta-A with Starlink-1585 from USA.

 Compare KL-Beta-A with Starlink-2120 from USA.


ELFIN-A.

UCLA sends student-built satellite into space

ELFIN-A is a commercial and civil satellite operated by University of California (USA) for the purpose of space science.

Delivered via Delta 2 (launch vehicle) from Vandenberg AFB, it was launched into space on 15 September 2018 and orbits the Earth as a polar LEO satellite. ELFIN-A was constructed by University of California (USA).

ELFIN-A has a launch mass of 4 kg and orbits around the Earth with the COSPAR ID 2018-070E and NORAD ID 43617.

With an orbital eccentricity of 1.90E-03, the satellite's perigee, which is the point of the orbit closest to the Earth's center of mass, is 443km while its apogee, which is the point of the orbit farthest from the Earth's center of mass, is 469km. It takes 94 minutes to orbit the Earth at an inclination of 93 degrees to the equatorial plane of the Earth.

 

 Compare ELFIN-A with SpaceBEE-43 from USA.

 Compare ELFIN-A with Starlink-1392 from USA.


Gonets M-26.

Rokot launches Blits-M and Gonets-M satellites

  Heaviest satellite launched by Gonets Satcom into space at 280 kg

Operated by Gonets Satcom of Russia, Gonets M-26 is a commercial satellite launched for the purpose of communications.

A polar LEO satellite, it was launched into space using Rokot as the launch vehicle from Plesetsk Cosmodrome on 26 December 2019. Gonets M-26 was constructed by ISS Reshetnev (Russia).

With a launch mass of 280kg, Gonets M-26 is designed to operate in space for a lifetime of 7 years. It orbits around the Earth with the COSPAR ID 2019-096C and NORAD ID 44907.

With an orbital eccentricity of 4.45E-04, the satellite's perigee, which is the point of the orbit closest to the Earth's center of mass, is 1,500km while its apogee, which is the point of the orbit farthest from the Earth's center of mass, is 1,507km. It takes 116 minutes to orbit the Earth.

With generated usable power of 120 watts, Gonets M-26 orbits at an inclination of 83 degrees to the equatorial plane of the Earth.

 

 Compare Gonets M-26 with Radarsat-2 from Canada.

 Compare Gonets M-26 with Starlink-2245 from USA.


Iridium Next 167.

Iridium NEXT: the most sophisticated communications system ever

  Heaviest satellite launched by Iridium Communications, Inc. into space at 860 kg

Designed for communications, Iridium Next 167 is a government and commercial satellite operated by Iridium Communications, Inc. (USA).

Delivered via Falcon 9 (launch vehicle) from Vandenberg AFB, it was launched into space on 11 January 2019 and orbits the Earth as a polar LEO satellite. Iridium Next 167 was constructed by Thales Alenia Space/Orbital ATK (France/Italy/USA).

With a launch mass of 860kg and a dry mass of 678kg, Iridium Next 167 is designed to operate in space for a lifetime of 15 years. It orbits around the Earth with the COSPAR ID 2019-002K and NORAD ID 43931.

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 612km while its apogee, which is the point of the orbit farthest from the Earth's center of mass, is 625km. The eccentricity of the orbit is 9.30E-04.

With generated usable power of 50 watts, Iridium Next 167 orbits at an inclination of 87 degrees to the equatorial plane of the Earth.

 

 Compare Iridium Next 167 with Prometheus 2.9 from USA.

 Compare Iridium Next 167 with SpaceBEE-10 from USA.


Cosmos 2550.

The Russian Kosmos Satellites

  Second heaviest satellite launched by Russia into space at 6,500 kg

Cosmos 2550 is a military satellite operated by Ministry of Defense (Russia) for the purpose of earth observation (Radar Imaging and Electronic Intelligence).

A polar LEO satellite, it was launched into space by KB Arsenal, RKTs Progress (Russia) using Soyuz 2.1b as the launch vehicle on 25 June 2021. Cosmos 2550 was constructed by KB Arsenal, RKTs Progress (Russia).

Designated with COSPAR ID 2021-056A and NORAD ID 48865, Cosmos 2550 is designed to operate in space for a lifetime of 5 years. It has a launch mass of 6,500 kg.

Taking 96 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 587km while its apogee, which is the point of the orbit farthest from the Earth's center of mass, is 599km. The eccentricity of the orbit is 8.62E-04 and it orbits at an inclination of 35 degrees to the equatorial plane of the Earth.

 

 Compare Cosmos 2550 with Dove 3k-11 from USA.

 Compare Cosmos 2550 with Starlink-1629 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
Preparing chart
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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