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  2. List of Mars orbiters - Wikipedia

    en.wikipedia.org/wiki/List_of_Mars_orbiters

    The detection of derelict spacecraft in Mars orbit has some interest due to the minute risk of collision with such a spacecraft. One example of this is a proposal to use the Optical Navigation Camera on the Mars Reconnaissance Orbiter to search for small moons, dust rings, and old orbiters. [16]

  3. Satellites of Mars - Wikipedia

    en.wikipedia.org/wiki/Satellites_of_Mars

    Satellites of Mars. 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. Tianwen 1 Deployable Camera 2, CNSA, 2021.

  4. Moons of Mars - Wikipedia

    en.wikipedia.org/wiki/Moons_of_Mars

    In 1959, Walter Scott Houston perpetrated a celebrated April Fool's hoax in the April edition of the Great Plains Observer, claiming that "Dr. Arthur Hayall of the University of the Sierras reports that the moons of Mars are actually artificial satellites". Both Dr. Hayall and the University of the Sierras were fictitious.

  5. Phobos (moon) - Wikipedia

    en.wikipedia.org/wiki/Phobos_(moon)

    Phobos (/ ˈfoʊbəs /; systematic designation: Mars I) is the innermost and larger of the two natural satellites of Mars, [ 10 ] the other being Deimos. The two moons were discovered in 1877 by American astronomer Asaph Hall. It is named after Phobos, the Greek god of fear and panic, who is the son of Ares (Mars) and twin brother of Deimos.

  6. Mars Reconnaissance Orbiter - Wikipedia

    en.wikipedia.org/wiki/Mars_Reconnaissance_Orbiter

    Mars Reconnaissance Orbiter. The Mars Reconnaissance Orbiter (MRO) is a spacecraft designed to search for the existence of water on Mars and provide support for missions to Mars, as part of NASA 's Mars Exploration Program. It was launched from Cape Canaveral on August 12, 2005, at 11:43 UTC and reached Mars on March 10, 2006, at 21:24 UTC.

  7. Next Mars Orbiter - Wikipedia

    en.wikipedia.org/wiki/Next_Mars_Orbiter

    Next Mars Orbiter. This proposed telecommunications orbiter features ion thrusters and improved solar arrays. The Next Mars Orbiter (NeMO, earlier known as the Mars 2022 orbiter) is a proposed NASA Mars communications satellite with high-resolution imaging payload and two solar-electric ion thrusters. [2][3] The orbiter was initially proposed ...

  8. Orbit of Mars - Wikipedia

    en.wikipedia.org/wiki/Orbit_of_Mars

    Orbit of Mars. Mars has an orbit with a semimajor axis of 1.524 astronomical units (228 million km) (12.673 light minutes), and an eccentricity of 0.0934. [1][2] The planet orbits the Sun in 687 days [3] and travels 9.55 AU in doing so, [4] making the average orbital speed 24 km/s. The eccentricity is greater than that of every other planet ...

  9. Perseverance (rover) - Wikipedia

    en.wikipedia.org/wiki/Perseverance_(rover)

    Perseverance, nicknamed Percy, [ 2 ] is a car -sized Mars rover designed to explore the Jezero crater on Mars as part of NASA 's Mars 2020 mission. It was manufactured by the Jet Propulsion Laboratory and launched on July 30, 2020, at 11:50 UTC. [ 3 ] Confirmation that the rover successfully landed on Mars was received on February 18, 2021, at ...