File:Sao_VLT-FORS1_2002-09-03_annotated.gif · Wikimedia Commons · See Wikimedia Commons
Also known as Neptune XI, S/2002 N 2
moon of Neptune
Key facts
- Discovered by
- M.Holman JJ Kavelaars T. Grav W. Fraser D. Milisavljevic
- Discovery date
- August 14, 2002
- Designation
- Neptune XI
- Pronunciation
- / ˈ s eɪ . oʊ /
- Named after
- Σαώ Saō
- Alternative names
- S/2002 N 2
- Adjectives
- Saonian / s eɪ ˈ oʊ n i ə n /
- Semi major axis
- 22,228,000 km
- Orbital period sidereal
- 2912.72 days , (7.97 yr )
- Inclination
- 53.483°
- Satellite of
- Neptune
- Group
- Sao group
- Mean diameter
- 44 km (for albedo 0.04)
- Albedo
- 0.04 (assumed)
via Wikipedia infobox
Wikidata facts
- Instance of
- moon of Neptune
- Named after
- Sao
- Parent body
- Neptune
- Diameter
- 44
- Mass
- 67
- Orbital period
- 2912.72
- Image
- Sao VLT-FORS1 2002-09-03 annotated.gif
Show 8 more facts
- semi-major axis of an orbit
- 22422000
- provisional designation
- S/2002 N 2
- time of discovery or invention
- 2002-07-23
- discoverer or inventor
- Dan Milisavljevic
- orbital eccentricity
- 0.1365
- orbital inclination
- 53.483
- albedo
- 0.04
- Commons category
- Sao (moon)
via Wikidata · CC0
~1 min read
Encyclopedic overview
Sao /ˈseɪ.oʊ/ is a prograde irregular satellite of Neptune. It was discovered by Matthew J. Holman et al. on August 14, 2002.
Irregular satellites of Neptune.
Excerpted from Wikipedia’s “Sao” article, available under the CC BY-SA 4.0 licence.