147P/Kushida–Muramatsu
| Discovery | |
|---|---|
| Discovered by | Yoshio Kushida Osamu Muramatsu |
| Discovery site | Yatsugatake, Japan |
| Discovery date | 8 December 1993 |
| Designations | |
| P/1993 X1 P/2000 T2 | |
| 1993 XIX, 1993t | |
| Orbital characteristics | |
| Epoch | 17 October 2024 (JD 2460600.5) |
| Observation arc | 22.09 years |
| Earliest precovery date | 7 December 1993 |
| Number of observations | 290 |
| Aphelion | 4.859 AU |
| Perihelion | 3.159 AU |
| Semi-major axis | 4.009 AU |
| Eccentricity | 0.21196 |
| Orbital period | 8.03 years |
| Inclination | 2.312° |
| 91.667° | |
| Argument of periapsis | 348.57° |
| Mean anomaly | 38.623° |
| Last perihelion | 6 December 2023 |
| TJupiter | 3.011 |
| Earth MOID | 1.769 AU |
| Jupiter MOID | 0.429 AU |
| Physical characteristics | |
| Dimensions | 0.42 km (0.26 mi) |
| 10.5±0.1 hours | |
| Comet total magnitude (M1) | 13.6 |
| Comet nuclear magnitude (M2) | 16.7 |
147P/Kushida–Muramatsu is a quasi-Hilda comet discovered in 1993 by Japanese astronomers Yoshio Kushida and Osamu Muramatsu.