Asteroid 2020 TH3
2020 TH3 is a near-Earth asteroid roughly 23 m across, about the size of a house. Its closest recorded pass was on 17 Oct 1963 at 4.8 lunar distances.
Estimated size
23 m
about the size of a house
Closest pass on record
4.77 LD
17 Oct 1963
Speed relative to Earth
5.1 km/s
Brightness (H)
26.2
Lower means larger
Past close approaches
Recorded passes within about 20 lunar distances since 1900.