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Feb 28, 2019 · The Main Asteroid Belt is at the boundary of the inner and outer solar system. It marks a transition region from the rocky volatile-poor inner terrestrial planets to the outer gaseous and icy giant planets.
This plot shows the location of the main belt with respect to the planets and the Sun as well as the orbital structure of asteroid inclinations and number…
Inspection of the stacked CCD images obtained on October 11 and 12 showed that the main-belt comet presented a central bright condensation that was accompanied on its movement by three more fragments, A, B, C.
Jan 18, 2008 · The main belt region is shown in red, and contains 93.4% of all the objects. For reference, Mars orbits out to 1.666 AU, and Jupiter between 4.95 and 5.46 AU. The diagram was created by Piotr Deuar using orbit data for 120437 numbered minor planets from the Minor Planet Center orbit database, dated 8 Feb 2006.
Within the main belt are groups of asteroids that cluster with respect to certain mean orbital elements (semimajor axis, eccentricity, and inclination). Such groups are called families and are named for the lowest numbered asteroid in the family.
(main belt) The zone near to the plane of the ecliptic and between the orbits of Mars and Jupiter that contains the majority of asteroids, known as main-belt asteroids. The edges are well-defined at distances from the Sun of about 1.7 and 4.0 AU respectively and the orbits are strongly concentrated in the plane of the ecliptic.
The asteroid belt or main belt is a ring of small and large rocks and dust between the orbits of Mars and Jupiter. The biggest object in the asteroid belt is Ceres, a dwarf planet. The Kirkwood gaps separate the asteroid belt into several groups.
