Asteroid 2023 HB4
2023 HB4 is a near-Earth asteroid roughly 17 m across, about the size of a house. Its closest recorded pass was on 25 Apr 1970 at 2.5 lunar distances.
Estimated size
17 m
about the size of a house
Closest pass on record
2.53 LD
25 Apr 1970
Speed relative to Earth
9.9 km/s
Brightness (H)
26.84
Lower means larger
Past close approaches
Recorded passes within about 20 lunar distances since 1900.