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Thebe





Thebe
Galileo spacecraft image of Thebe taken on Jan. 4, 2000, from a distance of 193,000 km. Credit: Cornell University, NASA
The fourth moon of Jupiter; also known as Jupiter XIV. Together with Amalthea, Thebe appears to have supplied the material for Jupiter's Gossamer ring.


discovery 1979, by Stephen Synnott
semimajor axis 221,700 km (137,780 miles)
diameter 110 × 90 km (68 × 56 miles)
mean density 1.45 g/cm3
escape velocity 0.063 km/s (227 km/h, 141 mph)
orbital period 0.675 day (16 hr 12 min.)
orbital eccentricity 0.018
orbital inclination 0.90°
axial period synchronous
visual albedo 0.05


Related entry

   • Jupiter, moons


Related category

   • PLANETS AND MOONS