File:Pallene_Cassini_color-crop_20101016.png · Wikimedia Commons · See Wikimedia Commons
Key facts
- Discovered by
- Voyager 2 (first discovery) , Cassini Imaging Team
- Discovery date
- June 1, 2004 (second discovery by Cassini-Huygens )
- Designation
- Saturn XXXIII
- Pronunciation
- / p ə ˈ l iː n iː /
- Named after
- Παλλήνη Pallēnē
- Alternative names
- S/1981 S 14 (first discovery) , S/2004 S 2 (second discovery)
- Adjectives
- Pallenean / p æ l ə ˈ n iː ə n /
- Semi major axis
- 212 280 km
- Orbital period sidereal
- 1.153 746 d
- Inclination
- 0.1813° (to Laplace plane )
- Satellite of
- Saturn
- Dimensions
- 5.76 × 4.16 × 3.68 km, (± 0.14 × 0.14 × 0.14 km)
- Mean diameter
- 4.46 ± 0.14 km
- Volume
- 46.5 km
- Mass
- (1.15 ± 0.40) × 10 kg
- Mean density
- 0.251 ± 0.075 g/cm
- Surface gravity
- 0.011–0.016 mm/s
- Escape velocity
- 0.0007 km/s at longest axis, to 0.0009 km/s at poles
via Wikipedia infobox
Wikidata facts
- Instance of
- regular moon
- Parent body
- Saturn
- Radius
- 2.5
- Mass
- 33
- Orbital period
- 1.153745829
- Image
- N00163156.jpg
Show 9 more facts
- time of discovery or invention
- 1981-08-23
- provisional designation
- S/2004 S 2
- site of astronomical discovery
- Cassini−Huygens
- Commons category
- Pallene
- discoverer or inventor
- Voyager 2
- orbital eccentricity
- 0.0040
- semi-major axis of an orbit
- 211000
- orbital inclination
- 0.1810
- volume as quantity
- 9
via Wikidata · CC0
~8 min read
Encyclopedic overview
Pallene /pəˈliːniː/ is a very small natural satellite of Saturn. It is named after one of the Alkyonides of Greek mythology, and is also designated Saturn XXXIII. Its orbit lies between the orbits of the larger Mimas and Enceladus.
Discovery
Excerpted from Wikipedia’s “Pallene” article, available under the CC BY-SA 4.0 licence.