C/1861 G1 (Thatcher)
From Infogalactic: the planetary knowledge core
| Discovery | |
|---|---|
| Discovered by | A. E. Thatcher |
| Discovery date | April 5, 1861 |
| Alternative designations |
1861 I |
| Orbital characteristics A | |
| Epoch | JD 2400920.5 (May 25, 1861) |
| Aphelion | 110 AU (beyond Eris) |
| Perihelion | 0.9207 AU |
| Semi-major axis | 55.6 AU |
| Eccentricity | 0.983 |
| Orbital period | 415 a |
| Inclination | 79.77° |
| Last perihelion | 1861-Jun-03[1] |
| Next perihelion | 2280 ±5 |
Comet C/1861 G1 (Thatcher) is a long-period comet with roughly a 415 year orbit discovered by A. E. Thatcher. It is responsible for the Lyrid meteor shower.[2] Carl Wilhelm Baeker also independently found this comet. The comet passed about 0.335 AU (50,100,000 km; 31,100,000 mi) from the Earth on 1861-May-05 and last came to perihelion (closest approach to the Sun) on 1861-Jun-03.[1]
References
External links
- Thatcher at the JPL Small-Body Database
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