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71P/Clark

Comet
71P/Clark is a periodic comet in the Solar System with an orbital period of 5.5 years. It was discovered by Michael Clark at Mount John University Observatory, New Zealand on 9 June 1973 with a brightness of apparent magnitude 13. Subsequently it... Wikipedia
Discovered: June 9, 1973
Discoverer: Michael Clark
Orbital period: 5.521 a
Aphelion: 4.685 AU
Last perihelion: 2023-Jan-21; June 30, 2017; December 15, 2011
Next perihelion: 2028-Sep-28