Asteroid 2026 RM39
2026 RM39 is a near-Earth asteroid roughly 12 m across, about the size of a bus. Its closest recorded pass was on 16 Sept 2026 at 4.2 lunar distances.
Estimated size
12 m
about the size of a bus
Closest pass on record
4.24 LD
16 Sept 2026
Speed relative to Earth
9.8 km/s
Brightness (H)
27.687
Lower means larger
Past close approaches
Recorded passes within about 20 lunar distances since 1900.