C/1955 O1 (Honda)
< C
Honda's Comet photographed by Paolo Maffei from Italy on 23 August 1955. | |
| Discovery | |
|---|---|
| Discovered by | Minoru Honda |
| Discovery site | Kurashiki, Japan |
| Discovery date | 29 July 1955 |
| Designations | |
| 1955 V, 1955g | |
| Orbital characteristics | |
| Observation arc | 96 days |
| Number of observations | 43 |
| Perihelion | 0.885 AU |
| Eccentricity | 1.00111 |
| Inclination | 107.52° |
| 339.42° | |
| Argument of periapsis | 348.20° |
| Mean anomaly | 0.002° |
| Last perihelion | 4 August 1955 |
| Earth MOID | 0.114 AU |
| Jupiter MOID | 3.233 AU |
| Physical characteristics | |
Mean radius | 1.04 km (0.65 mi) |
| Comet total magnitude (M1) | 6.8 |
| Comet nuclear magnitude (M2) | 11.5 |
| 5.0 (1955 apparition) | |
C/1955 O1 (Honda) is a hyperbolic comet that made its closest approach to Earth on 18 August 1955, at a distance of 0.272 AU (40.7 million km). It is one of several comets discovered by Japanese astronomer, Minoru Honda.