Encyclopedia > Jupiter > Satellites > Amalthea
Amalthea (Jupiter V) was discovered by Barnard in 1892. This satellite is quite bright but difficult to observe because of the proximity of the planet Jupiter.
Characteristics | Values |
---|---|
distance to Jupiter | 181 000 km |
mean size | 170 km |
visual magnitude | 14.1 |
period of revolution | 12 heures |
orbital velocity | 26 km/s |
inclination of the orbit on the Jovian equator |
0.4° |
eccentricity of the orbit | 0.003 |
density (water=1) | ? |
escape velocity | 84 m/s |
reflectivity | 0.05 |