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Jupiter's Moon Thebe


Credit: Jupiter's moon Thebe. Credit: NASA
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Jupiter's Moon Thebe -- Thebe [THEE-bee] is the fourth known satellite of Jupiter. Thebe was a nymph and the daughter of the river god Asopus. Thebe rotates synchronously around Jupiter.

Very little is known about this moon.

Discovered by Stephen Synnott
Date of discovery 1979

Mass (kg) 7.77e+17
Mass (Earth = 1) 1.3002e-07
Radius (km) 55x45
Radius (Earth = 1) 8.6234e-03
Mean density (gm/cm^3) 1.5
Mean distance from Jupiter (km) 221,895
Rotational period (days) 0.674536
Orbital period (days) 0.674536
Mean orbital velocity (km/sec) 23.93
Orbital eccentricity 0.0183
Orbital inclination (degrees) 1.0659
Escape velocity (km/sec) 0.0434
Visual geometric albedo 0.05
Magnitude (Vo) 15.7

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