Uranus XII - 1986U1
Portia was named after a rich heiress in Shakespeare's play Merchant of Venice. It is the seventh known satellite of Uranus and was discovered by Voyager 2.
| Portia Statistics | |
|---|---|
| Discovered by | Voyager 2 |
| Date of discovery | 1986 |
| Mass (kg) | ? |
| Equatorial radius (km) | 55 |
| Equatorial radius (Earth = 1) | 8.6234e-03 |
| Mean density (gm/cm^3) | ? |
| Mean distance from Uranus (km) | 66,100 |
| Rotational period (days) | ? |
| Orbital period (days) | 0.513196 |
| Mean orbital velocity (km/sec) | 9.37 |
| Orbital eccentricity | 0.000 |
| Orbital inclination (degrees) | 0.09 |
| Visual geometric albedo | 0.07 |
| Magnitude (Vo) | 21.0 |

Uranus
Juliet
Rosalind