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15 Eunomia is a very large asteroid in the middle asteroid belt. It is the largest of the stony asteroids, with 3 Juno as a close second. It is quite a massive asteroid, in 6th to 8th place (to within measurement uncertainties). It is the largest Eunomian asteroid, and is estimated to contain 1% of the mass of the asteroid belt. [7] [8]
Newton, Elisabeth (February 1, 2014). " The composition and architecture of the asteroid belt: from simple to complicated in just three decades ". Daily Paper Summaries. astrobites.
This asteroid belt is also called the main asteroid belt or main belt to distinguish it from other asteroid populations in the Solar System. [ 1 ] The asteroid belt is the smallest and innermost known circumstellar disc in the Solar System.
and the main asteroid belt: 69230 Hermes: 1.654: Apollo asteroid, Venus-crosser asteroid, Mars-crosser asteroid (29075) 1950 DA: 1.698: Apollo asteroid, Mars-crosser asteroid (154276) 2002 SY 50: 1.706: Apollo asteroid, Venus-crosser asteroid, Mars-crosser asteroid (89959) 2002 NT 7: 1.735: Apollo asteroid, Mars-crosser asteroid: 1981 Midas: 1.776
The asteroid and comet belts orbit the Sun from the inner rocky planets into outer parts of the Solar System, interstellar space. [16] [17] [18] An astronomical unit, or AU, is the distance from Earth to the Sun, which is approximately 150 billion meters (93 million miles). [19]
The main or core population of the asteroid belt may be divided into the inner and outer zones, separated by the 3:1 Kirkwood gap at 2.5 AU, and the outer zone may be further divided into middle and outer zones by the 5:2 gap at 2.82 AU: [7] 4:1 resonance (2.06 AU) Zone I population (inner zone) 3:1 resonance (2.5 AU)
Printable version; In other projects ... Parts-per-million chart of the relative mass distribution of the Solar System, ... 110 ± 15: 5.86 ± 1.18: belt asteroid type M
Astrometria is a non-family from the main belt's background population. [3] It orbits the Sun in the outer asteroid belt at a distance of 2.9–3.5 AU once every 5 years and 8 months (2,055 days; semi-major axis of 3.16 AU). Its orbit has an eccentricity of 0.10 and an inclination of 15° with respect to the ecliptic. [1]