 
 
	 
	 
	 
    
  
  
     
     Français
 
  
 
    Français
	    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 |