Asteroid 2024 TK21
2024 TK21 is a near-Earth asteroid roughly 37 m across, about the size of a house. Its closest recorded pass was on 13 Oct 1975 at 2.9 lunar distances.
Estimated size
37 m
about the size of a house
Closest pass on record
2.88 LD
13 Oct 1975
Speed relative to Earth
9.6 km/s
Brightness (H)
25.14
Lower means larger
Past close approaches
Recorded passes within about 20 lunar distances since 1900.