- Additional Information
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Additional Information
Short Description Amalthea is the third moon of Jupiter in order of distance from the planet. It was discovered on 9 September 1892, by Edward Emerson Barnard and named after Amalthea, a nymph in Greek mythology. It is also known as Jupiter V. Amalthea is in a close orbit around Jupiter and is within the outer edge of the Amalthea Gossamer Ring, which is formed from dust ejected from its surface. Amalthea (moon) - Wikipedia, the free encyclopedia Discovered by Edward Emerson Barnard Discovery date 9 September 1892 Type Moon AddInfo Jupiter V Satellite of Jupiter Orbit Prograde Rotation Synchronous Apoapsis 06 182 840 km Periapsis 06 181 150 km Semi-major axis 06 181 365.84 ± 0.02 km Distance from Sun 01 5.202 60 au /03 Eccentricity 0.003 19 ± 0.000 04 Orbital period 0.498 179 43 ± 0.000 000 07 day | 11 hour, 57 min, 23 s Orbital speed 02 26.57 km/s Inclination to the equator 000.374° Diameter/Size 03 167.0 ± 4.0 km Dimensions 250 × 146 × 128 km Mass 1018×2.08 ± 0.15 kg Density 0.857 ± 0.099 g/cm3 Surface gravity 0.020 m/s2 Escape velocity 02 58 m/s Rotation period 0.498 179 43 ± 0.000 000 07 day Axial tilt 0° Albedo Bond 0.032 ± 0.003 Albedo geometric 0.090 ± 0.005 Temperature mean 02 120 K Temperature max 02 165 K Apparent magnitude 14.1 - Comments
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