The 65 Cybele reference article from the English Wikipedia on 24-Apr-2004
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65 Cybele

65 Cybele is the eighth largest asteroid at 309 km, discovered on March 8 1861 by Ernst Wilhelm Tempel. The sixty-fifth asteroid discovered, the semimajor axis of its orbit is approximately 3.5 AU. The Cybele Group of asteroids is named after it.