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A minor-planet moon is an astronomical object that orbits a minor planet as its natural satellite. As of January 2022 [update] , there are 457 minor planets known or suspected to have moons. [ 1 ]
The list of minor planets consists of more than 700 partial lists, each containing 1000 minor planets grouped into 10 tables. The data is sourced from the Minor Planet Center (MPC) and expanded with data from the JPL SBDB (mean-diameter), Johnston's archive (sub-classification) and others (see detailed field descriptions below).
The Minor Planet Center classifies 2002 UX 25 as a cubewano [2] while the Deep Ecliptic Survey (DES) classifies it as scattered-extended. [3] The DES using a 10 My integration (last observation: 2009-10-22) shows it with a minimum perihelion (q min) distance of 36.3 AU. [3] It has been observed 212 times with precovery images dating back to ...
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.
Irregular moons are probably minor planets that have been captured from surrounding space. Most irregular moons are less than 10 kilometres (6.2 mi) in diameter. The earliest published discovery of a moon other than Earth's was by Galileo Galilei, who discovered the four Galilean moons orbiting Jupiter in 1610. Over the following three ...
But some minor planets do have magnetic fields—on the one hand, some minor planets have remanent magnetism: if the parent body had a magnetic field or if the nearby planetary body has a strong magnetic field, the rocks on the parent body will be magnetised during the cooling process and the planet formed by the fission of the parent body will ...
Many minor planets are also named after places such cities, towns, and villages, mountains and volcanoes; after rivers, observatories, as well as organizations, clubs and astronomical societies. Some are named after animals and plants. A few minor planets are named after exotic entities such as supercomputers or have an unknown origin.
The following is a partial list of minor planets, running from minor-planet number 9001 through 10000, inclusive.The primary data for this and other partial lists is based on JPL's "Small-Body Orbital Elements" [1] and data available from the Minor Planet Center.