2100 Ra-Shalom
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The asteroid 2100 Ra-Shalom was discovered in 1978 by Eleanor F. Helin. It was the second asteroid in the Aten class, after the discovery of 2062 Aten in 1976, also by Helin. The Atens have a semi-major axis of less than 1 AU; of the Atens, Ra-Shalom is one of the asteroids with the smallest semi-major axes: just 0.832 AU. It comes within 30 Gm of Mars, Earth, Venus, and Mercury. The closest approaches are to Mercury, to about 12 Gm.
The name of the asteroid, which refers to the Egyptian god Ra and the Hebrew word Shalom, refers to the Camp David Peace Accords between Egypt and Israel.
[edit] Orbital data
epoch J2000.0
- semimajor axis: 0.832 AU
- perihelion 0.441 AU
- aphelion 3.307 AU
- eccentricity: 0.437
- inclination : 15.751 degree
- longitude of perihelion: 355.983 degree
- longitude of ascending node: 170.917 degree
[edit] External links
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