87P/Bus

From Wikipedia, the free encyclopedia
Jump to: navigation, search
87P/Bus
Discovery
Discovered by Schelte J. Bus
Discovery date 1981
Alternative
designations
Bus/1981b; Bus/1981 XI;
Orbital characteristics A
Epoch March 6, 2006
Aphelion 4.798 AU
Perihelion 2.174 AU
Semi-major axis 3.486 AU
Eccentricity 0.3764
Orbital period 6.509 a
Inclination 2.5768°
Last perihelion December 19, 2013[1][2]
July 7, 2007
Next perihelion 2020-May-09[3]

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.

References[edit]

  1. ^ Syuichi Nakano (2010-04-29). "87P/Bus (NK 1931)". OAA Computing and Minor Planet Sections. Retrieved 2012-02-18. 
  2. ^ 87P past, present and future orbital elements
  3. ^ "87P/Bus Orbit". Minor Planet Center. Retrieved 2014-06-16. 

External links[edit]

Periodic comets (by number)
Previous
86P/Wild
87P/Bus Next
88P/Howell