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Some co-orbiting objects are called quasi-satellites because of their very close orbit and very similar orbital period with Earth, seemingly orbiting Earth. The known current quasi-satellites of Earth are particularly 469219 Kamoʻoalewa and 164207 Cardea, [31] as well as (277810) 2006 FV 35, [32] 2014 OL 339, 2013 LX 28, 2020 PP 1, and 2023 FW 13.
Among the other dwarf planets, Ceres has no known moons. It is 90 percent certain that Ceres has no moons larger than 1 km in size, assuming that they would have the same albedo as Ceres itself. [6] Eris has one large known moon, Dysnomia. Accurately determining its size is difficult: one indicative estimate of its radius is 350 ± 57.5 km. [7]
A moonlet, minor moon, minor natural satellite, or minor satellite is a particularly small natural satellite orbiting a planet, dwarf planet, or other minor planet. Up until 1995, moonlets were only hypothetical components of Saturn's F-ring structure, but in that year, the Earth passed through Saturn's ring plane.
Supermoons are full moons that appear larger because they happen roughly in tandem with the lunar orbit’s closest approach to Earth. That can mean the moon appears 30% brighter and 14% larger ...
A small asteroid will be pulled into orbit around the Earth as a “mini-moon” later this month before the space rock departs into other parts of the solar system.. The 10m-wide asteroid, dubbed ...
The moon, called S/2023 U1, takes 680 Earth days to complete one orbit around the planet. In the future, the tiny satellite will be named after a Shakespearean character, in keeping with the ...
The notion of satellite systems pre-dates history. The Moon was known by the earliest humans. The earliest models of astronomy were based around celestial bodies (or a "celestial sphere") orbiting the Earth. This idea was known as geocentrism (where the Earth is the centre of the universe). However the geocentric model did not generally ...
In 2016, astronomers spotted an asteroid about the size of a ferris wheel in an Earth-like orbit around the Sun. Turns out it's actually a chunk of the moon.