206P/Barnard–Boattini
Discovery photograph of 206P/Barnard–Boattini on 13 October 1892 | |
| Discovery | |
|---|---|
| Discovered by | Edward E. Barnard Andrea Boattini |
| Discovery site | Mount Wilson Observatory |
| Discovery date | 13 October 1892 7 October 2008 |
| Designations | |
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| Orbital characteristics | |
| Epoch | 25 February 2023 (JD 2460000.5) |
| Observation arc | 116–391 years |
| Earliest precovery date | 11 November 1618? |
| Number of observations | 329 |
| Aphelion | 5.415 AU |
| Perihelion | 1.565 AU |
| Semi-major axis | 3.49 AU |
| Eccentricity | 0.55155 |
| Orbital period | 5.5740 years |
| Inclination | 33.639° |
| 202.35° | |
| Argument of periapsis | 189.51° |
| Mean anomaly | 109.19° |
| Last perihelion | 4 March 2021 |
| Next perihelion | 27 September 2027 |
| TJupiter | 2.613 |
| Earth MOID | 0.141 AU |
| Jupiter MOID | 0.122 AU |
| Comet total magnitude (M1) | 20.3 |
206P/Barnard–Boattini was the first comet to be discovered by photographic means. First observed by Edward Emerson Barnard in 1892, it was subsequently lost for 116 years until it was rediscovered by Andrea Boattini in 2008.