Key facts
- Discovered by
- Brett J. Gladman
- Discovery site
- Observatoire de la Cote d'Azur
- Designation
- Saturn XIX
- Pronunciation
- / ˈ iː m ɪər / , / ˈ ɪ m ɪər /
- Named after
- Ymir
- Alternative names
- S/2000 S 1
- Adjectives
- Ymirian / ɪ ˈ m ɪər i ə n /
- Semi major axis
- 22 957 100 km
- Orbital period sidereal
- −3.6 yr (−1315.16 d)
- Mean anomaly
- 344.3°
- Inclination
- 173.1°
- Longitude of ascending node
- 61.5°
- Argument of perihelion
- 90.8°
- Satellite of
- Saturn
- Group
- Norse group
- Dimensions
- 24 km × 22 km × 16 km
- Mean diameter
- 19 +50%, −30% km
- Circumference
- 65 km (equatorial)
via Wikipedia infobox
Article
Ymir, or Saturn XIX, is the second-largest retrograde irregular moon of Saturn.
Discovery and Naming