Open Earth

Asteroid 2003 MK4

2003 MK4 is a near-Earth asteroid roughly 267 m across, about the size of a stadium. Its closest recorded pass was on 2 Jan 1959 at 6.5 lunar distances.

Estimated size

267 m

about the size of a stadium

Closest pass on record

6.46 LD

2 Jan 1959

Speed relative to Earth

12.7 km/s

Brightness (H)

20.86

Lower means larger

Past close approaches

Recorded passes within about 20 lunar distances since 1900.