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A number of other smaller objects, such as Huya, Salacia, 2002 UX 25, Varda, and 2013 FY 27, also have moons, although their dwarf planethood is more doubtful. This list includes all objects with a best estimated diameter above 400 km that are considered likely or official dwarf planets by other sources and astronomers, [ 10 ] [ 11 ] [ 12 ...
"Lunar Far-Side Communication Satellites" Earth–Moon L 2: NASA: Proposed in 1968 for communications on the far side of the Moon during the Apollo program, mainly to enable an Apollo landing on the far side—neither the satellites nor the landing were ever realized. [45] Space colonization and manufacturing Earth–Moon L 4 or L 5 —
The rings of Saturn are made up of objects ranging in size from microscopic to moonlets hundreds of meters across, each in its own orbit around Saturn. [11] Thus an absolute number of Saturnian moons cannot be given, because there is no consensus on a boundary between the countless small unnamed objects that form Saturn's ring system and the ...
The listed objects currently include most objects in the asteroid belt and moons of the giant planets in this size range, but many newly discovered objects in the outer Solar System are missing, such as those included in the following reference. [58] Asteroid spectral types are mostly Tholen, but some might be SMASS.
Human-made objects orbiting the Sun, Mercury, Venus, Earth, Mars, and Saturn, including active artificial satellites and space junk Heliosphere , a bubble in space produced by the solar wind Heliosheath
Moons of Saturn: Originally presented as satellite planets orbiting the planet Saturn. Planetary status later rescinded, leaving them only as satellites. Titan is the second largest satellite in the Solar System, and is slightly larger than Mercury, but less massive. [12] [6] [7] Iapetus: 1671 1700s [13] [11] [6] [7] Rhea: 1672 1700s Tethys ...
Montage of planets and some moons that the two Voyager spacecraft have visited and studied. It is the only program that visited all four outer planets. A total of nine spacecraft have been launched on missions that involve visits to the outer planets; all nine missions involve encounters with Jupiter, with four spacecraft also visiting Saturn.
Chiron, a moon of Saturn supposedly sighted by Hermann Goldschmidt in 1861 but never observed by anyone else.; Chrysalis, a hypothetical moon of Saturn, named in 2022 by scientists of the Massachusetts Institute of Technology using data from the Cassini–Huygens mission, thought to have been torn apart by Saturn's tidal forces, somewhere between 200 and 100 million years ago, with up to 99% ...