&sq=Qlik&lang=&file=File:Comet_Ikeya_1963a_by_R._Burnham,_Jr.jpg) Comet Ikeya 1963a next to α Piscium on 14 March 1963 | |
| Discovery | |
|---|---|
| Discovered by | Kaoru Ikeya |
| Discovery date | 2 January 1963 |
| Designations | |
| 1963a, 1963I | |
| Orbital characteristics[1] | |
| Epoch | 1963-Apr-26.0 |
| Observation arc | 278 days |
| Number of observations | 33 |
| Aphelion | 190.5 AU |
| Perihelion | 0.632 AU |
| Semi-major axis | 95.55 AU |
| Eccentricity | 0.99338 |
| Orbital period | 934 years |
| Inclination | 160.64° |
| 53.22° | |
| Argument of periapsis | 336.30° |
| Last perihelion | 21 March 1963 |
| Earth MOID | 0.236 AU |
| Jupiter MOID | 0.59 AU |
| Comet nuclear magnitude (M2) | 15.0 |
C/1963 A1 (Ikeya), also known as Comet 1963I and 1963a, is a long period comet discovered by Kaoru Ikeya on 2 January 1963. The comet last passed perihelion on 21 March 1963, when it reached an apparent magnitude of 2.8.[2]
- ^ "Small-Body Database Lookup: C/1963 A1 (Ikeya)". ssd.jpl.nasa.gov.
- ^ "Brightest comets seen since 1935". www.icq.eps.harvard.edu. Retrieved 9 March 2023.