Portia is a moon of Uranus, part of the Solar System in the universe. Uranus is a planet associated with the Sun, our star, and this space encyclopedia describes the moon’s identity and place in its planetary system.

Portia — A natural satellite of Uranus. Its physical properties and orbital motion are shown from the available catalogue and ephemeris data.

No object-specific chemical/elemental dataset has been verified and imported for this record. This does not mean none is publicly available. Appearance may be imagined; chemistry is not.

Discovery and designation
Portia was discovered in 1986. JPL credits Voyager Science Team. Its provisional designation is S/1986 U1. The name and discovery entry identify this particular satellite of Uranus; similarly named asteroids are separate objects.

Portia was discovered January 1986 in images sent back by the Voyager 2 spacecraft during its flyby of Uranus.

Very little is known about Uranus' small and fast-moving moon Portia. It is known that Portia has a diameter of 140 km, making it one of the largest of Uranus' lesser satellites. It is also known that Portia orbits Uranus in less than one Earth day.

This moon is named after Portia, the heroine of William Shakespeare's 16th century play "The Merchant of Venice." It was originally designated S/1986 U 1