Asteroid 2017 MC4
2017 MC4 is a near-Earth asteroid roughly 158 m across, about the size of a stadium. Its closest recorded pass was on 9 Jul 1909 at 5.5 lunar distances.
Estimated size
158 m
about the size of a stadium
Closest pass on record
5.45 LD
9 Jul 1909
Speed relative to Earth
21.5 km/s
Brightness (H)
22.01
Lower means larger
Past close approaches
Recorded passes within about 20 lunar distances since 1900.