Astronomical specifications:
| Discovery | 1610 by Galileo |
| Orbital characteristics: | |
| Distance from Jupiter | 670,900 km |
| Eccentricity | 0.009 |
| Orbital periode round Jupiter | 3.551 days |
| Orbital speed | 13.740 km/s |
| Inclination to Sun equator | 0.47 deg |
| Rings | No |
| Physical characteristics: | |
| Radius | 1,569 km |
| Surface area | 30,900,000 km² |
| Volume | 1.59 x 1010 km³ |
| Mass | 4.80 x 1022 kg |
| Density | 3.01 g/cm³ |
| Equatorial gravity | 1.314 m/s² |
| Escape velocity | 2.025 km/s |
| Rotation period | 3.551 days |
| Axial tilt | 0 deg |
| Surface temperature | 102 K |
| Atmospheric composition | O2 |
Europa, as seen by the Galileo spacecraft