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243 Ida

The irregularly shaped Ida is covered with a layer of dust. It was the first asteroid around which a moon was discovered, the only 1.4 km big Dactyl. Ida is part of the asteroid belt.

Distance to the Sun: 2.7284 - 2.9936 AU
Size: 56 * 24 * 21 km
Orbit period: 4.84 years

Back: Objects in the Solar System 		    Ida and Dactyl
False color image of Ida and Dactyl.
Photo: Nasa
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