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Ra-Shalom (minor planet 2100)





The largest known of the Aten group of Earth-crossing asteroids. Discovered in 1978 by the American astronomer Eleanor Helin (1932–2009), it has a year shorter than Earth's.


diameter 2.4 km
spectral class C
rotational period 19.79 hours
semimajor axis 0.832 AU
perihelion 0.469 AU
aphelion 1.195 AU
eccentricity 0.436
inclination 15.7°


Related category

   • NOTABLE ASTEROIDS, CENTAURS, AND KUIPER BELT OBJECTS