components. The smaller component is sometimes referred to under the (unofficial) designation S/2000 (90) 1. However, the name "Antiope" is also used to refer to the binary system as a whole.

Properties

The most remarkable feature of Antiope is that it consists of two components of almost equal size (the difference in mass is less than 2.5%), making it a truly "double" asteroid. Its binary nature was discovered on 10 August 2000 by a group of astronomers using adaptive optics

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