Thatcher (Comet)
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| Discovery | |
|---|---|
| Discovered by: | A. E. Thatcher |
| Discovery date: | April 5, 1861 |
| Alternate designations: | C/1861 G1, Thatcher |
| Orbital characteristics A | |
| Epoch: | 2400920.5 (May 25, 1861) |
| Aphelion distance: | 110.44307381 AU |
| Perihelion distance: | 0.9207 AU |
| Semi-major axis: | 55.6818869065619 AU |
| Eccentricity: | 0.983465 |
| Orbital period: | 415.5077 a |
| Inclination: | 79.7733° |
Comet Thatcher is a non-periodic comet responsible for the Lyrids Meteor shower,[1] discovered by A. E. Thatcher. Carl Wilhelm Baeker also discovered this comet.
[edit] References
- ^ Arter, T. R.; Williams, I. P. (1997). "The mean orbit of the April Lyrids". Monthly Notices of the Royal Astronomical Society 289 (3): 721–728.
- NASA JPL Small-Body Database Browser on Thatcher
- http://www.namnmeteors.org/namnnotes0304.html
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