|Discovered by||Schelte J. Bus|
|Bus/1981b; Bus/1981 XI;|
|Orbital characteristics A|
|Epoch||March 6, 2006|
|Semi-major axis||3.486 AU|
|Orbital period||6.509 a|
|Last perihelion||December 19, 2013
July 7, 2007
Comet 87P/Bus is a periodic comet with an orbital period of 6.5 years. It fits the definition of an Encke-type comet with (TJupiter > 3; a < aJupiter). It was discovered by Schelte J. Bus in 1981 on a plate taken with the 1.2m UK Schmidt telescope at Siding Spring, Australia. The discovery was announced in IAU Circular 3578 on March 4, 1981.
It has been observed on each of its subsequent apparitions, most recently in 2013.
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