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4486 Mithra

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4486 Mithra

4486 Mithra
Discovery
Discovered by Eric Elst, Vladimir Shkodrov
Discovery date September 22, 1987
Designations
Named after
Mithra
1987 SB
Apollo, Mars crosser
Orbital characteristics
Epoch December 1, 2005 (JD 2453705.5 )
Aphelion 547.47 Gm (3.66 AU)
Perihelion 111.84 Gm (0.75 AU)
329.66 Gm 2.20 AU
Eccentricity 0.66
1194.84 d (3.27 a)
Average orbital speed
17.65 km/s
245.56°
Inclination 3.03°
82.32°
168.79°
Physical characteristics
Dimensions 2-5 km
100 h
Spectral type
S
15.6

4486 Mithra is an Apollo and Mars-crosser asteroid. It was discovered by Eric Elst and Vladimir Shkodrov on September 22, 1987. It is named after Mithra, Indo-Iranian god of light. In Asia Minor around 330 B.C. the god Mithra was identified with the Greek god Apollo, hence the name.

In 2000 it made a very close approach to Earth, passing 6.96 million km, or 0.047 au from it.

The asteroid measures 2–5 km in diameter. Its shape has been analyzed by radar, and has been revealed as bizarre: it is the most highly bifurcated object in the solar system, with two distinct lobes. It is a contact binary asteroid.[1]

References

  1. ^ Dr. Lance A. M. Benner (2013-11-18). "Binary and Ternary near-Earth Asteroids detected by radar". NASA/JPL Asteroid Radar Research. Retrieved 2014-03-01. 

External Links

  • Discovery · Orbit diagram · Orbital elements · Physical parameters
  • Radar observations and a physical model of contact binary Asteroid 4486 Mithra - Science Direct
  • 3D Model Rotating image of the asteroid
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