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Space probes are satellites designed for robotic space exploration outside of Earth, and space stations are in essence crewed satellites. The first artificial satellite launched into the Earth's orbit was the Soviet Union's Sputnik 1, on October 4, 1957. As of December 31, 2022, there are 6,718 operational satellites in the Earth's orbit, of ...
Samples of three GPS satellites' orbits over a five-year period (2013 to 2018) USA-242 · USA-239 · USA-151 · Earth As of 15 August 2023, 83 Global Positioning System navigation satellites have been built: 31 are launched and operational, 3 in reserve or testing, 42 are retired, 2 were lost during launch, and 1 prototype was never launched. 4 Block III satellites have completed construction ...
True color image of the Earth from space. This image is a composite image collected over 16 days by the MODIS sensor on NASA’s Terra satellite. NASA Earth science satellite fleet as of September 2020, planned through 2023. Earth observation satellite missions developed by the ESA as of 2019.
This is a list of satellites in geosynchronous orbit (GSO). ... Gazprom Space Systems: Television and Internet Russia: 2 November 2012 Proton-M [4] 171.3°W
This is a list of satellites and spacecraft which have been given USA designations by the United States Air Force. These designations have been applied to most United States military satellites since 1984, and replaced the earlier OPS designation. As of June 2022, USA designations have been assigned to 437 space satellites.
The Hubble Space Telescope Comparison between many space telescopes by diameter Overview of active and future telescopes (as of January 2021) This list of space telescopes ( astronomical space observatories ) is grouped by major frequency ranges : gamma ray , x-ray , ultraviolet , visible , infrared , microwave , and radio .
Searches for more satellites have been unsuccessful, putting the maximum radius of any other satellites at 90 m (100 yd). [ 4 ] Jupiter has 95 moons with known orbits; 72 of them have received permanent designations, and 57 have been named.
First British satellite in space (on American rocket) July 10 US: Telstar 1: Thor-Delta: Earth Success: Communication satellite July 22 US: Mariner 1: Atlas-Agena: Venus Failure: Software related guidance system failure, range safety officer ordered destroyed after 294.5 seconds after launch. August 27 US: Mariner 2: Atlas-Agena: Venus Success