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Illustration of the Great Comet of 1880 from a Scientific American article in May 1880[1] | |
| Discovery | |
|---|---|
| Discovery date | 31 January 1880 |
| Designations | |
| 1880a[2] 1880 I | |
| Orbital characteristics[3] | |
| Epoch | 14 February 1880 (JD 2407759.5) |
| Observation arc | 5 days |
| Number of observations | 7 |
| Orbit type | Kreutz sungrazer |
| Aphelion | 0.0054 AU |
| Semi-major axis | –520.91 AU |
| Eccentricity | 1.0000103 |
| Avg. orbital speed | 575 km/s |
| Inclination | 144.759° |
| 8.448° | |
| Argument of periapsis | 86.685° |
| Last perihelion | 28 January 1880 |
| Earth MOID | 0.5541 AU |
| Jupiter MOID | 2.9694 AU |
| Physical characteristics[4] | |
| 3.0 (1880 apparition) | |
The Great Southern Comet of 1880, formally designated as C/1880 C1 in modern nomenclature, is a comet that became visible in the naked eye throughout the Southern hemisphere in February 1880. It is notable for being classified as a "great comet" not by its apparent magnitude, but by its prominent tail.
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