205P/Giacobini
< 205P
Comet 205P/Giacobini photographed from the Zwicky Transient Facility on 25 October 2021 | |
| Discovery | |
|---|---|
| Discovered by | Michel Giacobini |
| Discovery site | Nice, France |
| Discovery date | 4 September 1896 |
| Designations | |
| D/1896 R2 P/2008 R6 | |
| 1896d 1896 V | |
| Orbital characteristics | |
| Epoch | 19 February 2014 (JD 2456707.5) |
| Observation arc | 112.05 years |
| Number of observations | 1,143 |
| Aphelion | 5.558 AU |
| Perihelion | 1.536 AU |
| Semi-major axis | 3.547 AU |
| Eccentricity | 0.5669 |
| Orbital period | 6.681 years |
| Inclination | 15.287° |
| 179.625° | |
| Argument of periapsis | 154.257° |
| Last perihelion | 13 January 2022 |
| Next perihelion | 12 September 2028 |
| TJupiter | 2.779 |
| Earth MOID | 0.543 AU |
| Jupiter MOID | 0.373 AU |
| Physical characteristics | |
| Comet total magnitude (M1) | 12.0–18.5 |
| Comet nuclear magnitude (M2) | 15.7 |
| 11.3 (1896 apparition) | |
205P/Giacobini is a periodic Jupiter-family comet with an orbital period of 6.68 years. It was discovered by Michel Giacobini on 4 September 1896 and then it was lost until it was recovered by Koichi Itagaki on 10 September 2008. The comet was then found to have fragmented into three pieces.