Uranus · natural satellite

Setebos

Mean diameter: Not available
Mean orbital distance: 17,519,800 km from centre
Orbital period: 2,215 Earth days

Orbit & discovery

Surface gravity: Not available
Discovery: 1999
Discoverer / team: J.J. Kavelaars, B. Gladman, M. Holman, J.-M. Petit, H. Scholl
Provisional designation: S/1999 U1
JPL satellite ID: 719
Orbital eccentricity: 0.579
Inclination: 153.9 degrees

Inclination reference: ecliptic. Mean-element epoch: 2020-01-01.0 TDB · URA117.

Diameters use volume-equivalent mean radii, including for irregular bodies. Mean orbital elements describe an orbit; they are not live positions. Missing physical measurements remain unavailable.

Missions in the Uranus system · 1 records

1 launches · 0 linked events

These records cover the planetary system. A system mission did not necessarily visit this moon. Dedicated targets are marked separately; programme events include the journey and briefings. Launch outcomes do not establish arrival, landing success or present spacecraft operation.

Dedicated targets only

PLANETARY SYSTEM

Voyager 2

August 20, 1977 · UTC

Lockheed Martin · Titan IIIE

1 records from the complete 9,386‑record production catalogue.

Sources & measurements