A

David

Darling

Thebe

Thebe

Galileo spacecraft image of Thebe taken on Jan. 4, 2000, from a distance of 193,000 km. Credit: Cornell University, NASA.


Thebe is 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