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.
It has been observed on each of its subsequent apparitions, most recently in 2013.[4]
References
- ↑ Syuichi Nakano (2010-04-29). "87P/Bus (NK 1931)". OAA Computing and Minor Planet Sections. Retrieved 2012-02-18.
- ↑ 87P past, present and future orbital elements
- ↑ "87P/Bus Orbit". Minor Planet Center. Retrieved 2014-06-16.
- ↑ "87/P Bus". Seiichi Yoshida. Retrieved 15 May 2015.
External links
- Orbital simulation from JPL (Java) / Horizons Ephemeris
- 87P/Bus – Seiichi Yoshida @ aerith.net
| Numbered comets | ||
|---|---|---|
| Previous 86P/Wild |
87P/Bus | Next 88P/Howell |
This article is issued from Wikipedia - version of the 3/29/2016. The text is available under the Creative Commons Attribution/Share Alike but additional terms may apply for the media files.