2002 MN


2002 MN
2002 MN
Discovery[1] and designation
Discovered by MIT Lincoln Laboratory
Discovery date June 17, 2002
Epoch JD 2454200.5
Aphelion 1.8153 AU
Perihelion 0.91143 AU
Eccentricity 0.4979
Orbital period 893.3 d
Mean anomaly 3.9°
Inclination 1.0471°
Longitude of ascending node 85.1046°
Argument of perihelion 131.666°
Dimensions 70 m
Mass 5.4×108 kg
Absolute magnitude (H) 23.3

2002 MN is the provisional name given to an asteroid that on June 14, 2002 missed the Earth by only 75,000 miles (120,000 km.), about one third the distance to the Moon (0.3 LD). According to NASA, it was the second closest approach to Earth in recorded history[1]. Its mass and relative velocity were in the same general range as the object ascribed to the Tunguska event of 1908, which levelled over 800 square miles (2,100 km2) of trees in Siberia.

References

  1. ^ Asteroid's near-miss with Earth - 21 June 2002 - New Scientist
  2. ^ JPL Small-Body Database Browser

External links



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