Category

Periodic comets

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Comet McNaught 4, also known as 260P/McNaught, is a periodic comet with a 6.9-year orbit around the Sun. It is one of several comets discovered by Australian astronomer, Robert H. McNaught.

P/2013 R3 (Catalina–PANSTARRS)

disintegrated active main-belt asteroid

C/1921 H1 (Dubiago)

271P/van Houten–Lemmon

C/1917 F1 (Mellish)

266P/Christensen

266P/Christensen is a Encke-type comet with a 6.63-year orbit around the Sun. It will next come to perihelion in December 2026. It has been suggested as the possible source of the 1977 "Wow! Signal", however this was later disproven by a follow-up study in 2020, where it was found out to be likely a maser-like flare from small hydrogen clouds in interstellar space instead.

243P/NEAT is a periodic comet currently with a 7.49-year orbit around the Sun.