3361 Orpheus (1982 HR) is an Apollo asteroid that was discovered on April 24 1982 by Carlos Torres at Cerro El Roble Astronomical Station. Its eccentric orbit crosses that of Mars and Earth and approaches Venus as well. From 1900 to 2100 it passes closer than 30 Gm to Venus 11 Earth 33 and Mars 14 times. It was calculated that it passed by Earth at a distance of about 40 lunar distances on December 7 2013.[1]
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