33 Polyhymnia
Orbit of 33 Polyhymnia (1 Jan 2009) | |
| Discovery | |
|---|---|
| Discovered by | J. Chacornac |
| Discovery date | 28 October 1854 |
| Designations | |
| (33) Polyhymnia | |
| Pronunciation | /pɒliˈhɪmniə/ |
Named after | Polyhymnia |
| A887 HA; 1938 FE; 1953 AK; 1957 YL; 1963 DG; 1976 YT7 | |
| Main belt | |
| Orbital characteristics | |
| Epoch 21 November 2025 (JD 2461000.5) | |
| Aphelion | 3.832 AU |
| Perihelion | 1.916 AU |
| 2.874 AU | |
| Eccentricity | 0.333 |
| 4.873 yr (1779.77 d) | |
| 107.070° | |
| Inclination | 1.852° |
| 8.212° | |
| 338.828° | |
| Jupiter MOID | 1.589 AU |
| TJupiter | 3.211 |
| Physical characteristics | |
| Dimensions | 54.39±11.84 km (infrared) 53.98±0.91 km 64±6 km (occultation) |
| 18.60888±0.00029 h | |
| S or Sq | |
| 8.55 | |
33 Polyhymnia is a main belt asteroid that was discovered by French astronomer Jean Chacornac on 28 October 1854 and named after Polyhymnia, the Greek Muse of sacred hymns.