C/1963 R1 (Pereyra)
< C
Comet Pereyra photographed by Charles F. Capen from the Table Mountain Observatory on 23 September 1963. | |
| Discovery | |
|---|---|
| Discovered by | Zenon M. Pereyra |
| Discovery date | 14 September 1963 |
| Designations | |
| 1963 V, 1963e | |
| Orbital characteristics | |
| Epoch | 1963-Oct-25.0 |
| Observation arc | 86 days |
| Number of observations | 12 |
| Orbit type | Kreutz sungrazer |
| Aphelion | 182 AU |
| Perihelion | 0.005 AU |
| Semi-major axis | 91 AU |
| Eccentricity | 0.999945 |
| Orbital period | 875 years (1800) 870 years (1963) 765 years (2200) |
| Inclination | 144.60° |
| 8.05° | |
| Argument of periapsis | 86.23° |
| Last perihelion | 23 August 1963 |
| Earth MOID | 0.56 AU |
| Physical characteristics | |
Mean radius | 13.7 km (8.5 mi) |
| Mass | 3.80×1018 kg |
| Comet nuclear magnitude (M2) | 14.3 |
Comet Pereyra (formal designations: C/1963 R1, 1963 V, and 1963e) was a bright comet that appeared in 1963. It was a member of the Kreutz Sungrazers, a group of comets that pass extremely close to the Sun.