Open Earth

Asteroid 2017 YO3

2017 YO3 is a near-Earth asteroid roughly 9 m across, about the size of a bus. Its closest recorded pass was on 19 Dec 1973 at 2.4 lunar distances.

Estimated size

9 m

about the size of a bus

Closest pass on record

2.37 LD

19 Dec 1973

Speed relative to Earth

8.5 km/s

Brightness (H)

28.2

Lower means larger

Past close approaches

Recorded passes within about 20 lunar distances since 1900.