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On average the distance between the asteroids is about 965,600 km (600,000 miles), [68] [69] although this varies among asteroid families and smaller undetected asteroids might be even closer. The total mass of the asteroid belt is estimated to be 2.39 × 10 21 kg, which is 3% of the mass of the Moon. [ 2 ]
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 ]
Apollo asteroid, Mars-crosser asteroid, aka 2004 JN 13: Near-Earth asteroids between the Main Asteroid Belt and Jupiter's zone of influence: Near-Earth asteroids between Jupiter's and Saturn's zones of influence: Near-Earth asteroids between Saturn's and Uranus' zones of influence: 1999 XS 35: 17.915: Apollo asteroid, Damocloid asteroid, Mars ...
This list includes few examples since there are about 589 asteroids in the asteroid belt with a measured radius between 20 and 49 km. [162] Many thousands of objects of this size range have yet to be discovered in the trans-Neptunian region.
Kuiper belt (>1,000) (scale in AU; epoch as of January 2015; # of objects in parentheses) These Solar System minor planets are the furthest from the Sun as of December 2021. The objects have been categorized by their approximate current distance from the Sun, and not by the calculated aphelion of their orbit. The list changes over time because ...
It contains a great many solid, irregularly shaped bodies called asteroids or minor planets. The identified objects are of many sizes, but much smaller than planets, and, on average, are about one million kilometers (or six hundred thousand miles) apart. The asteroid belt is the smallest and innermost known circumstellar disc in the
Called a "mini-moon" of sorts by some, it temporarily entered Earth's orbit on Sept. 29 from the Arjuna asteroid belt, which follows a similar orbital path around the sun as the Earth.
There have been thirty-three overall missions towards minor planets, with four of them being flyby missions that were not intended to explore minor planets, marked in grey background. [1] [2] Many minor planets are in two domains: Asteroid belt, between 2–3 AU (0.30–0.45 billion km) Kuiper belt, between 30–60 AU (4.5–9.0 billion km)