Ymir (moon)
Discovery image of Ymir taken by the La Silla Observatory in August 2000 | |
| Discovery | |
|---|---|
| Discovered by | Brett J. Gladman |
| Discovery site | Observatoire de la Cote d'Azur |
| Discovery date | 2000 |
| Designations | |
Designation | Saturn XIX |
| Pronunciation | /ˈiːmɪər/, /ˈɪmɪər/ |
Named after | Ymir |
| S/2000 S 1 | |
| Adjectives | Ymirian /ɪˈmɪəriən/ |
| Orbital characteristics | |
| Epoch 2000 January 1.5 | |
| 22957100 km | |
| Eccentricity | 0.337 |
| −3.6 yr (−1315.16 d) | |
| 344.3° | |
| Inclination | 173.1° |
| 61.5° | |
| 90.8° | |
| Satellite of | Saturn |
| Group | Norse group |
| Physical characteristics | |
| Dimensions | 24 km × 22 km × 16 km |
| 19+50% −30% km | |
| Circumference | 65 km (equatorial) |
| −11.92220±0.00002 h | |
North pole right ascension | 280°±20° |
North pole declination | 70°±10° |
| Albedo | 0.06 |
Spectral type | D/P |
| 21.7 | |
| 12.3 | |
Ymir, or Saturn XIX, is the second-largest retrograde irregular moon of Saturn.