Arecibo and Green Bank observations of 2017 YE5

Arecibo and Green Bank observations of 2017 YE5
Arecibo and Green Bank observations of 2017 YE5 Radar images of binary asteroid 2017 YE5 from Arecibo Observatory and the Green Bank Observatory on June 25. The observations show that the asteroid consists of two separate objects in orbit around each other. Credits: Arecibo / GBO / NSF / NASA / JPL-Caltech

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