4769 Castalia

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4769 Castalia is a near-Earth object of the Apollo group of asteroids. It was discovered by w:Eleanor Helin at w;Palomar Observatory on 9 August 1969, and on 28 August 1989, Castalia was observed by radar at w:Arecibo Observatory, the first asteroid modeled by radar.

Physical Characteristics in Orbiter

In Orbiter Castalia has a diameter of about 1800 meters and a mass of 5×10¹¹ kg.

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