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A small Solar System body (SSSB) is an object in the Solar System that is neither a planet, a dwarf planet, nor a natural satellite. The term was first defined in 2006 by the International Astronomical Union (IAU) as follows: "All other objects, except satellites, orbiting the Sun shall be referred to collectively as 'Small Solar System Bodies ' ".
Parts-per-million chart of the relative mass distribution of the Solar System, each cubelet denoting 2 × 10 24 kg. This article includes a list of the most massive known objects of the Solar System and partial lists of smaller objects by observed mean radius. These lists can be sorted according to an object's radius and mass and, for the most ...
This is a list of the lists of small Solar System bodies and dwarf planets. Lists of comets; List of minor planets; List of named minor planets (alphabetical) List of named minor planets (numerical) List of exceptional asteroids; List of trans-Neptunian objects; List of fast rotators (minor planets) List of slow rotators (minor planets)
Euler diagram showing the types of bodies orbiting the Sun. The following is a list of Solar System objects by orbit, ordered by increasing distance from the Sun. Most named objects in this list have a diameter of 500 km or more. The Sun, a spectral class G2V main-sequence star; The inner Solar System and the terrestrial planets. 2021 PH27; Mercury
The following is a list of numbered minor planets (essentially the same as asteroids) in ascending numerical order.Minor planets are defined as small bodies in the Solar System, including asteroids, distant objects, and dwarf planets, but not including comets.
It is composed mainly of small Solar System bodies, although the largest few are probably large enough to be dwarf planets. [196] There are estimated to be over 100,000 Kuiper belt objects with a diameter greater than 50 km (30 mi), but the total mass of the Kuiper belt is thought to be only a tenth or even a hundredth the mass of Earth. [ 39 ]
All other minor planets and comets are called small Solar System bodies. [1] The IAU stated that the term minor planet may still be used, but the term small Solar System body will be preferred. [8] However, for purposes of numbering and naming, the traditional distinction between minor planet and comet is still used.
Musk’s sports car managed to sneak back up on the professionals charged with tracking objects in our solar system for several reasons. One key factor: Experts haven’t been all that interested ...