Also known as (90482) Orcus I Vanth, Orcus I, S/2005 (90482) 1
natural satellite orbiting 90482 Orcus
In the Vinony graph
Within Vinony's link graph, 亡卫一 is referenced by 486 other articles, and connects out to Haumea, Quaoar and trans-Neptunian object.
It is catalogued under topics including Astronomical objects discovered in 2005, Discoveries by Michael E. Brown and Moons of dwarf planets.
Its subject is documented across 30 Wikipedia language editions.
Key facts
- Discovered by
- Michael E. Brown Terry-Ann Suer
- Discovery date
- 13 November 2005
- Designation
- (90482) Orcus I
- Pronunciation
- / ˈ v æ n θ /
- Named after
- Vanth
- Adjectives
- Vanthian
- Semi major axis
- 8 999 .8 ± 9.1 km
- Eccentricity
- 0.000 91 ± 0.000 53
- Orbital period sidereal
- 9.539 154 ± 0.000 020 d
- Inclination
- 105.03 ° ± 0.18 ° (to celestial equator ), 90.54° ± 0.17° (to ecliptic )
- Longitude of ascending node
- 53.49° ± 0.33°
- Argument of periapsis
- 274.51°
- Satellite of
- Orcus
- Mean diameter
- 442.5 ± 10.2 km ( occultation ) , 475 ± 75 km ( thermal )
- Mass
- (8.7 ± 0.8) × 10 kg
- Mean density
- ≈1.9 ± 0.3 g/cm (occultation) , 1.5 +1.0, −0.5 g/cm (thermal)
- Synodic rotation period
- synchronous
- Albedo
- 0.08 ± 0.02
via Wikipedia infobox
Wikidata facts
- Instance of
- minor planet moon
- Named after
- Vanth
- Parent body
- Orcus
- Diameter
- 442.5
- Mass
- 87
- Orbital period
- 9.539154
- Image
- Orcus-vanth hst2.jpg
Show 12 more facts
- time of discovery or invention
- 2005-11-13
- provisional designation
- S/2005 (90482) 1
- absolute magnitude
- 4.88
- semi-major axis of an orbit
- 8999.8
- apparent magnitude
- 21.8
- orbital eccentricity
- 0.00091
- orbital inclination
- 105.03
- albedo
- 0.08
- density
- 1.5
- color index
- 1.03
- longitude of ascending node
- 53.49
- location of discovery
- Hubble Space Telescope
via Wikidata · CC0
Article · 中文
亡衛一（Vanth，萬斯）是古柏帶天體亡神星已知的衛星，由米高·布朗和T.-A. Suer共同發現。據以認定發現的影像是在2005年11月13日由哈勃太空望遠鏡取得的。發現者於2007年2月22日宣布發現消息 [1]（页面存档备份，存于互联网档案馆），並且已經確認了衛星的軌道。
Abstract from DBpedia / Wikipedia · CC BY-SA