Thread: asteroid belts
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Old 07-January-2004, 12:34 AM
TheThorn TheThorn is offline
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Originally posted by damienpaul@Jan 6 2004, 03:35 PM
asides the one between mars and jupiter, is there other asteroid belts, i read somewhere that there was one between neptune and uranus....
Between Jupiter and Neptune there are some small objects, called Centaurs. But they look to be Kuiper Belt objects that have been perturbed into smaller orbits. Check out

List of Centaurs and Scattered-Disk Objects

The Scattered Disk objects appear to be KBOs that have been bumped out of the standard orbit. Their orbits are either more highly inclined or more eccentric than classical KBOs, or both. Pluto is a Scattered Disk Object. A lot of them come inside Neptune's orbit at times.

The Centaurs look like scattered disk objects that have been purturbed again by one of the Gas Giants into orbits that stay inside Neptune's. In that listing, they're the ones with "a" (semi-major axis) < 30 or so, which puts them inside Neptune. There aren't a lot of them, so I don't think anyone would refer to it as a "belt". But I'm not aware of anything else between Neptune and Uranus.

Now here's an interesting one:

Neptune Trojan

I wonder if it qualifies as a KBO or a Centaur.
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