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.
|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||May 9, 2020|
December 19, 2013
July 7, 2007
|Next perihelion||2029-Jun-08 (JPL Horizons last obs 2020-06-24)|
It has been observed on each of its subsequent apparitions, most recently in 2020.