C/1905 X1 (Giacobini)
Giacobini's Comet photographed by Edward E. Barnard on 29 December 1905 | |
| Discovery | |
|---|---|
| Discovered by | Michel Giacobini |
| Discovery site | Nice, France |
| Discovery date | 7 December 1905 |
| Designations | |
| 1905c 1906 I | |
| Orbital characteristics | |
| Epoch | 13 January 1906 (JD 2417223.5) |
| Observation arc | 81 days |
| Number of observations | 41 |
| Perihelion | 0.216 AU |
| Eccentricity | ~1.000 |
| Inclination | 43.65° |
| 93.37° | |
| Argument of periapsis | 199.22° |
| Last perihelion | 22 December 1906 |
| Earth MOID | 0.413 AU |
| Jupiter MOID | 0.253 AU |
| Physical characteristics | |
| Comet nuclear magnitude (M2) | 8.3 |
| 0.7 (1906 apparition) | |
Giacobini's Comet, also known as C/1905 X1, is a bright parabolic comet that became visible to the naked eye in January 1906. It is one of 12 comets discovered by French astronomer, Michel Giacobini.