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Artist's rendering of NASA's 2001 Mars Odyssey orbiting Mars. The following table is a list of Mars orbiters, consisting of space probes which were launched from Earth and are currently orbiting Mars. As of August 2023, there have been 18 spacecraft missions operating in Mars' orbit, 7 of which are currently active.
The satellites of Mars include : Non functional but (probably) orbiting: Viking 1 & 2 orbiter; Mariner 9; Mars Global Surveyor; Mars 2, 3, 5; Phobos 2;
2001 Mars Odyssey: USA 24 October 2001 Active Longest-surviving, continuously active spacecraft in orbit around another planet Mars Express: ESA: 20 December 2003 Active Mars Reconnaissance Orbiter: USA 10 March 2006 Active MAVEN: USA 22 September 2014 Active Mars Orbiter Mission: India 24 September 2014 Contact lost April 2022 [20]
The oldest active spacecraft for Mars is 2001 Mars Odyssey. 2001 Mars Odyssey. Mission: Mars Odyssey was designed to map the surface of Mars and also acts as a relay for the Curiosity rover. [9] Its name is a tribute to the novel and 1968 film 2001: A Space Odyssey. Launched: 7 April 2001; Destination: Mars; Arrival: 24 October 2001 ...
Pages in category "Satellites orbiting Mars" The following 7 pages are in this category, out of 7 total. This list may not reflect recent changes. * Satellites of ...
There is a proposal to use the Optical Navigation Camera on the Mars Reconnaissance Orbiter to search for small moons, dust rings and old orbiters. [45] As of 2016, there were believed to be eight derelict spacecraft in orbit around Mars (barring unforeseen event). [46] The Viking 1 orbiter was not expected to decay until at least 2019. [47]
Substituting the mass of Mars for M and the Martian sidereal day for T and solving for the semimajor axis yields a synchronous orbit radius of 20,428 km (12,693 mi) above the surface of the Mars equator. [3] [4] [5] Subtracting Mars's radius gives an orbital altitude of 17,032 km (10,583 mi). Two stable longitudes exist - 17.92°W and 167.83°E.
NASA Earth science satellite fleet as of September 2020, planned through 2023. Earth observation satellite missions developed by the ESA as of 2019. Earth observation satellites are Earth-orbiting spacecraft with sensors used to collect imagery and measurements of the surface of the earth. These satellites are used to monitor short-term weather ...