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Comet Bennett

Comet Bennett, formally known as C/1969 Y1, was one of the two bright comets observed in the 1970s, along with Comet West and is considered a great comet. The name is also borne by an altogether different comet, C/1974 V2. Wikipedia
Predicted next perihelion: 3600
Discovered: December 28, 1969
Orbital period: 1678 a
Last perihelion: March 20, 1970
Semi-major axis: 141 AU