lysithea (moon)

b>Lysithea
bgcolor="#ffc0c0" colspan="2" \| Discovery
align="left" \| Discovered by	S. B. Nicholson
align="left" \| Discovered in	1938
bgcolor="#ffc0c0" colspan="2" \| Orbital characteristics
align="left" \| Mean radius	11,720,000 km
align="left" \| Eccentricity	0.081-0.155
align="left" \| Orbital period	259.2d
align="left" \| Inclination	29
align="left" \| Is a satellite of	Jupiter
bgcolor="#ffc0c0" colspan="2" \| Physical characteristics
align="left" \| Mean diameter	36 km
align="left" \| Surface area	km²
align="left" \| Mass	7.77×10¹⁶ kg
align="left" \| Mean density	2.6 g/cm³
align="left" \| Surface gravity	0.0013 m/s²
align="left" \| Rotation period	?
align="left" \| Axial tilt	?
align="left" \| Albedo	0.04
align="left" \| Surface temp.	{\| cellspacing="0" cellpadding="2" border="0"
min !! mean !! max
K	K	K	}
align="left" \| Atmospheric pressure	0 kPa

Lysithea (lye-sith'-ee-a) is a moon of Jupiter. It was discovered by Seth Barnes Nicholson in 1938 at Mount Wilson Observatory and is named after the mythological Lysithea, daughter of Oceanus and one of Zeus' lovers. Lysithea did not receive its present name until 1975; before then, it was simply known as Jupiter X. It was sometimes called "Demeter". It belongs to the Himalia group, five moons orbiting between 11 and 13 Gm from Jupiter at an inclination of about 27.5.

External links

Seth B. Nicholson, "Two new satellites of Jupiter", PASP 50 (1938) 292–293

... | Himalia | 'Lysithea' | Elara | ...

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