Solar System in 1986 and will next appear in mid-2061. Officially designated 1P/Halley, it is also commonly called Comet Halley, or sometimes simply Halley
at Earth and occur at the descending node of Halley's comet. The descending node reached its closest distance to Earth around 500. Currently Earth approaches
Astronomy and Astrophysics. 571: A1. arXiv:1303.5062. Bibcode:2014A&A...571A...1P. doi:10.1051/0004-6361/201321529. S2CID 218716838. Taylor, Barry N. (1971)