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Non-periodic comet

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Comet Arend-Roland 1957, a non-periodic comet

Non-periodic comets are comets have only passed through the Solar System once. They do not orbit around the Sun, or they may take longer than 200 years to orbit.[1] They are on orbits that will not bring them back to the Sun for hundreds, thousands, or even millions[1] of years – if ever. Comets not expected to return to the Solar System include C/1980 E1, C/2000 U5, C/2001 Q4 (NEAT), C/2009 R1, C/1956 R1, and C/2007 F1 (LONEOS).

The official names of non-periodic comets begin with a "C"; comets that have been lost or disappeared have names that begin with a "D", like 3D/Biela.

Related pages


  1. 1.0 1.1 "Small Bodies: Profile". NASA/JPL Planetary Data System. Retrieved 2009-04-26. 

Other websites

de:Liste der Kometen#Nicht- oder langperiodische Kometen

pam:Listaan da reng kometa#Deng kometang makikilala king lagyu