Portia 

Discovered through the analysis of Voyager 2 photographs in 1986, Belinda is the seventh known satellite of Uranus and was named after rich heiress in Shakespeare's play Merchant of Venice. The radius measures only 55 kilometers making it one of the smaller moons of Uranus. Very little is known about this moon.

Physical Data Key Mass Mass Mass Mass compared to that of Earth. Radius Radius Radius Radius compared to that of Earth. Mean Density Average Density. Distance Distance to the planet's center. Magnitude The brightness of a star or object.

Orbital Data Key Rotational Period Number of days to make one complete rotation. Orbital Period Number of days to obital the planet. Mean Orbital Velocity Average obital speed. Orbital Eccentricity Eccentricity. Orbital Inclination The tilt of the moon or planet. Escape Escape Velocity. Albedo Visual geometric albedo.