Asteroid 2020 HJ4
2020 HJ4 is a near-Earth asteroid roughly 371 m across, about the size of a stadium. Its closest recorded pass was on 4 Jul 1940 at 3.6 lunar distances.
Estimated size
371 m
about the size of a stadium
Closest pass on record
3.59 LD
4 Jul 1940
Speed relative to Earth
12.9 km/s
Brightness (H)
20.15
Lower means larger
Past close approaches
Recorded passes within about 20 lunar distances since 1900.