Asteroid 2026 RB4
2026 RB4 is a near-Earth asteroid roughly 21 m across, about the size of a house. Its closest recorded pass was on 7 Sept 1945 at 4.9 lunar distances.
Estimated size
21 m
about the size of a house
Closest pass on record
4.86 LD
7 Sept 1945
Speed relative to Earth
10.4 km/s
Brightness (H)
26.338
Lower means larger
Past close approaches
Recorded passes within about 20 lunar distances since 1900.