C/1932 Y1 (Dodwell–Forbes)
< C
Comet Dodwell–Forbes photographed by George van Biesbroeck on 20 January 1933 | |
| Discovery | |
|---|---|
| Discovered by | George F. Dodwell Alexander F. I. Forbes |
| Discovery site | Adelaide, Australia Cape Colony, South Africa |
| Discovery date | 15–17 December 1932 |
| Designations | |
| 1932n 1932 X | |
| Orbital characteristics | |
| Epoch | 20 January 1933 (JD 2427092.5) |
| Observation arc | 63 days |
| Number of observations | 23 |
| Aphelion | 80 AU |
| Perihelion | 1.131 AU |
| Semi-major axis | 40.6 AU |
| Eccentricity | 0.97216 |
| Orbital period | 259 years |
| Max. orbital speed | 39.3 km/s |
| Inclination | 24.502° |
| 78.589° | |
| Argument of periapsis | 327.357° |
| Last perihelion | 30 December 1932 |
| Next perihelion | ~2191 |
| TJupiter | 1.320 |
| Earth MOID | 0.2040 AU |
| Jupiter MOID | 0.7849 AU |
| Physical characteristics | |
| Comet total magnitude (M1) | 9.1 |
| 8.0 (1933 apparition) | |
Comet Dodwell–Forbes, formally designated as C/1932 Y1, is a long-period comet discovered independently by Alexander F. I. Forbes and George F. Dodwell in late 1932. It was Dodwell's only comet discovery, while it was Forbes's third overall.