| Orbital characteristics A | |
|---|---|
| Semi-major axis | 6.8596682 AU[1] |
| Orbital period | 17.97 years[1] |
Comet Gehrels 4 (or P/1997 C1) is a Periodic comet.[2]
References[edit]
- ↑ 1.0 1.1 Williams, G. V.; Grauer, A. D.; McMillan, R. S.; Marsden, B. G. (October 2012). Green, D. W. E., ed. "Comet P/2012 S5 = P/1997 C1 (Gehrels)". Central Bureau Electronic Telegrams. 3248: 1. Bibcode:2012CBET.3248....1W.
- ↑ "people.ast.cam.ac.uk".
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