 C/1911 O1 | |
| Discovery | |
|---|---|
| Discovered by | William Robert Brooks |
| Discovery date | July 21, 1911 |
| Designations | |
| 1911 V, 1911c, Comet Brooks | |
| Orbital characteristics | |
| Epoch | October 11, 1911 (JD 2419320.5) |
| Aphelion | ~306.9 AU[1] |
| Perihelion | 0.489429 AU |
| Semi-major axis | ~153.7 AU |
| Eccentricity | 0.997005 |
| Orbital period | ~1900 yr[1] |
| Inclination | 33.8095° |
| Last perihelion | October 28, 1911 |
| Next perihelion | unknown |
C/1911 O1 (Brooks), also designated 1911 V or Comet Brooks, was a bright comet discovered in July 1911 by astronomer William Robert Brooks.
It is notable for becoming a bright naked-eye object of second magnitude, with a narrow straight tail of up to thirty degrees in length and a distinct blue colour;[2] this colour seen in some comets is usually a result of the emission of carbon monoxide ions. It was also notable for uniquely being visible at the same time (mid October 1911) and in the same part of the sky as a second bright comet; this was C/1911 S3 (Beljawsky), which reached the first magnitude, had a fifteen degree tail and a bright golden-yellow appearance.[2]
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Transcription
References
- ^ a b Horizons output. "Barycentric Osculating Orbital Elements for Comet C/1911 O1 (Brooks)". Retrieved 2011-02-03. (Solution using the Solar System Barycenter and barycentric coordinates. Select Ephemeris Type:Elements and Center:@0)
- ^ a b Bortle, J. The Bright Comet Chronicles, International Comet Quarterly, 1998
External links
- Orbital elements of C/1911 O1 NASA JPL
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This page was last edited on 22 December 2023, at 23:01