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

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