File:Ymir-discovery-eso0036a_(cropped).jpg · Wikimedia Commons · See Wikimedia Commons
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
Wikidata facts
- Instance of
- irregular moon
- Named after
- Ymir
- Parent body
- Saturn
- Diameter
- 19
- Mass
- 4.9
- Orbital period
- 1315.14
- Image
- Ymir-discovery-eso0036a (cropped).jpg
Show 15 more facts
- site of astronomical discovery
- Côte d'Azur Observatory
- orbital inclination
- 173.125
- Commons category
- Ymir (moon)
- time of discovery or invention
- 2000-08-07
- discoverer or inventor
- John J. Kavelaars
- provisional designation
- S/2000 S 1
- orbital eccentricity
- 0.3349
- albedo
- 0.06
- apparent magnitude
- 21.7
- semi-major axis of an orbit
- 23130000
- longitude of ascending node
- 194.086
- argument of periapsis
- 22.668
- mean anomaly
- 244.521
- name
- Saturn XIX
- different from
- Ymir
via Wikidata · CC0
~3 min read
Encyclopedic overview
Ymir, or Saturn XIX, is the second-largest retrograde irregular moon of Saturn.
Discovery and Naming
Excerpted from Wikipedia’s “Ymir” article, available under the CC BY-SA 4.0 licence.