31P/Schwassmann–Wachmann
From Infogalactic: the planetary knowledge core
| Discovery | |
|---|---|
| Discovered by | Arnold Schwassmann Arno Arthur Wachmann |
| Discovery date | January 17, 1929 |
| Alternative designations |
1929 I; 1935 III; 1942 I; 1948 VII; 1955 I; 1961 VII; 1968 II; 1974 XIII; 1981 VI; 1987 XIX; 1994 II |
| Orbital characteristics A | |
| Epoch | March 6, 2006 |
| Aphelion | 5.048 AU |
| Perihelion | 3.416 AU |
| Semi-major axis | 4.232 AU |
| Eccentricity | 0.1928 |
| Orbital period | 8.705 a |
| Inclination | 4.5487° |
| Last perihelion | September 29, 2010[1] January 18, 2002[1] |
| Next perihelion | 2019-Jul-06[2] |
31P/Schwassmann–Wachmann, also known as Schwassmann–Wachmann 2, is a periodic comet in the Solar System. It was discovered on January 17, 1929, at an apparent magnitude of 11.[3] The comet has been seen at every apparition.
The comet nucleus is estimated to be 6.2 kilometers in diameter.[4]
References
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<references />, or <references group="..." />External links
- Orbital simulation from JPL (Java) / Horizons Ephemeris
- 31P at Kazuo Kinoshita's Comets
- 31P/Schwassmann-Wachmann 2 – Seiichi Yoshida @ aerith.net
| Periodic comets (by number) | ||
|---|---|---|
| Previous 30P/Reinmuth |
31P/Schwassmann–Wachmann | Next 32P/Comas Solá |
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