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Origin<br />
Shape<br />
Size range of diameter<br />
(kilometer)<br />
Chemical Composition<br />
Kuiper Belt and Oort<br />
Cloud<br />
Varied/Irregular<br />
1-10 (nucleus only)<br />
Ice (frozen water);<br />
frozen<br />
gases (ammonia,<br />
methane,<br />
and carbon dioxide);<br />
other<br />
organic compounds<br />
(Carbon containing<br />
compounds)<br />
Orbit<br />
Highly elliptical<br />
Orbital Period (years) 75 to 100,000++