These are a special class of asteroid that orbit beyond the orbit of Neptune. They are sometimes called Trans-Neptune Objects, or Ice-dwarfs.
The first Kuiper Belt Object to be discovered was Pluto, although this is regarded as a planet.
The largest Kuiper Belt Object is 2001 KX76 with a diameter exceeding 1200 km.
Alphastro aims to present an up-to-date view of
the Universe using specially written web pages and links to other Internet
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General Summary
of news about astronomy and spaceflight plus miscellaneous items.
The Alphastro Guide To Deep
Space The latest information on all bodies outside the Solar System
with associated internet links and books for sale.
The Alphastro Launch Log
A manifest of every launch and current status of all artificial satellites
and manned spaceflight with associated internet links and books for sale.
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the latest books on astronomy, space research and associated subjects.
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