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EntityQ603083· pop 30· linked from 486 articles

Also known as (90482) Orcus I Vanth, Orcus I, S/2005 (90482) 1

satelit alami 90482 Orcus

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

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
Sources (5)

via Wikidata · CC0