Comet West
>
Comet West, formally designated C/1975 V1, 1976 VI, and 1975n, was a comet described as one of the brightest objects to pass through the inner Solar System in 1976. It is often described as a "great comet." Wikipedia
Discovered: August 10, 1975
Orbital period: chaotic (estimates up to 558,000 years)
Discoverer: Richard Martin West
Last perihelion: February 25, 1976
Location: constellation of Sagittarius
Aphelion: 1,500 AU (inbound)
Eccentricity: 0.99997 (near parabolic)