Wed 6 Feb 2013

Comet 26P/Grigg-Skjellerup Closest To Earth (1.346 AU)

Comet 26P/Grigg-Skjellerup Closest Approach To Earth (1.346 AU)

Closest Approach to Earth - This happens as a heavenly body has an orbit that somewhere is closest to Earth. Most Astroids and Comets have an elliptical orbit in relation to a star (ie the Sun) or planet and thus will vary in distance to Earth.

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