Asteroid 2021 FN4
2021 FN4 is a near-Earth asteroid roughly 96 m across, about the size of a football pitch. Its closest recorded pass was on 18 May 1909 at 1.2 lunar distances.
Estimated size
96 m
about the size of a football pitch
Closest pass on record
1.16 LD
18 May 1909
Speed relative to Earth
8.6 km/s
Brightness (H)
23.08
Lower means larger
Past close approaches
Recorded passes within about 20 lunar distances since 1900.