Lysithea (moon)

Lysithea
Near-infrared photograph of Lysithea (center) by the 2MASS survey
Discovery
Discovered bySeth B. Nicholson
Discovery siteMt. Wilson Observatory
Discovery date6 July 1938
Designations
Designation
Jupiter X
Pronunciation/laɪˈsɪθiə/
Named after
Λυσιθέα Lysithea
AdjectivesLysithean /laɪˈsɪθiən/
Orbital characteristics
Epoch 27 April 2019 (JD 2458600.5)
Observation arc79.87 yr (29,171 days)
0.0782144 AU (11,700,710 km)
Eccentricity0.1478734
+258.57 d
27.18992°
1° 23m 32.227s / day
Inclination26.29254° (to ecliptic)
343.46495°
94.80010°
Satellite ofJupiter
GroupHimalia group
Physical characteristics
42.2±0.7 km (WISE)
42.2±3 km (occultation)
12.78±0.10 h
Albedo0.036±0.006
Spectral type
C/P
18.2
11.2

Lysithea /laɪˈsɪθiə/ also known as Jupiter X is one of the larger irregular satellites of Jupiter.

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