87P/Bus
From Infogalactic: the planetary knowledge core
| 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
- ↑ Lua error in package.lua at line 80: module 'strict' not found.
- ↑ 87P past, present and future orbital elements
- ↑ Lua error in package.lua at line 80: module 'strict' not found.
- ↑ Lua error in package.lua at line 80: module 'strict' not found.
External links
- Orbital simulation from JPL (Java) / Horizons Ephemeris
- 87P/Bus – Seiichi Yoshida @ aerith.net
| Periodic comets (by number) | ||
|---|---|---|
| Previous 86P/Wild |
87P/Bus | Next 88P/Howell |
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