Asteroid 2015 TQ21
2015 TQ21 is a near-Earth asteroid roughly 13 m across, about the size of a bus. Its closest recorded pass was on 5 Oct 1917 at 1.6 lunar distances.
Estimated size
13 m
about the size of a bus
Closest pass on record
1.58 LD
5 Oct 1917
Speed relative to Earth
19.9 km/s
Brightness (H)
27.4
Lower means larger
Past close approaches
Recorded passes within about 20 lunar distances since 1900.