Themisto (muin)

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Themisto
S 2000 J 1.jpg
Discovery
Discovered bi

Charles Kowal (1975)
Elizabeth Roemer (1975)
Scott S. Sheppard (2000)
David C. Jewitt (2000)
Yanga R. Fernández (2000)

Eugene A. Magnier (2000)
Discovery date

September 30, 1975

November 21, 2000 rediscovered
Designations
Adjectives Themistoan, Themistonian
Orbital chairactereestics
Periapsis 5,909,000 km (0.039 AU)
Apoapsis 8,874,300 km (0.059 AU)
Mean orbit radius
7,391,650 km (0.04941 AU)
Eccentricity 0.2006
129.82761 d (0.3554 a)
4.098 km/s
Inclination 45.81° (tae the ecliptic)
47.48° (tae Jupiter's equator)
Satellite o Jupiter
Pheesical chairacteristics
Mean radius
4 km[1]
Circumference ~25 km
~200 km2
Vollum ~270 km3
Mass 6.89×1014 kg
Mean density
2.6 g/cm3 (assumed)[2]
Albedo 0.04 (assumed)[1]
Temperatur ~124 K

Themisto (frae Greek: Θεμιστώ), an aa kent as Jupiter XVIII, is a smaw prograde irregular satellite o Jupiter. It wis discovered in 1975, subsequently lost, an rediscovered in 2000.

References[eedit | eedit soorce]