Asteroid 2026 RB39
2026 RB39 is a near-Earth asteroid roughly 7 m across, about the size of a bus. Its closest recorded pass was on 17 Sept 2026 at 1.0 lunar distances.
Estimated size
7 m
about the size of a bus
Closest pass on record
1.00 LD
17 Sept 2026
Speed relative to Earth
9.3 km/s
Brightness (H)
28.654
Lower means larger
Past close approaches
Recorded passes within about 20 lunar distances since 1900.