Periodic Comets
28 entries in the Periodic Comets compendium.
D/1766 G1 (Helfenzrieder)Lost Jupiter-family comet with highest Earth impact probability.D/1978 R1 (Haneda–Campos)Lost periodic comet discovered in 1978, parent of October Capricornids.P/2010 H2 (Vales)Distant Jupiter-family comet discovered during a massive outburst.P/2013 R3 (Catalina–PanSTARRS)First asteroid discovered while actively disintegrating via rotational breakup.P/2019 LD2 (ATLAS)Initially mistaken as an active Jupiter trojan, later reclassified as a Jupiter-family comet.P/2020 MK4 (PanSTARRS)Chiron-type comet discovered in outburst with chaotic orbital evolution.4015 Wilson–HarringtonA dual-status comet-asteroid with the longest asteroid name.427P/ATLASA main-belt comet and second ATLAS discovery.206P/Barnard–BoattiniFirst comet discovered by photographic means, lost then rediscovered after 116 years.177P/BarnardHalley-type comet with 122-year orbit, discovered by Barnard in 1889.289P/BlanpainLost comet rediscovered after 194 years, linked to Phoenicid meteors.398P/BoattiniJupiter-family comet discovered by Andrea Boattini in 2009.87P/BusEncke-type comet discovered by Schelte J. Bus in 1981.300P/CatalinaSecond comet on Sentry Risk Table; large near-Earth object.210P/ChristensenFirst single-apparition comet recovered by a spacecraft.108P/CiffréoJupiter-family comet with a peculiar detached, comoving tail.167P/CINEOSA large, active grey centaur and Chiron-type comet.122P/de VicoHalley-type comet lost and recovered, rich in gas.489P/DenningLost for 130 years, recovered as asteroid 2007 HE4.479P/EleninJupiter-family comet discovered by Leonid Elenin in 2011.205P/GiacobiniLost for over a century, then rediscovered in three fragments.161P/Hartley–IRASHalley-type comet discovered by Hartley and IRAS in 1983.100P/HartleyJupiter family comet discovered by Malcolm Hartley in 1985.103P/HartleySmall periodic comet visited by Deep Impact in 2010.110P/HartleyPeriodic comet discovered by Malcolm Hartley, with a 6.85-year orbit.152P/Helin–LawrenceJupiter-family comet co-discovered by Helin and Lawrence in 1993.111P/Helin–Roman–CrockettAn Encke-type comet that temporarily orbits Jupiter.168P/HergenrotherA periodic comet that fragmented after a 2012 outburst.
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