Uranus · natural satellite
Ophelia
- Mean diameter
- Not available
- Mean orbital distance
- 53,765 km from centre
- Orbital period
- 0.376 Earth days
Orbit & discovery
- Surface gravity
- Not available
- Discovery
- 1986
- Discoverer / team
- Voyager Science Team
- Provisional designation
- S/1986 U8
- JPL satellite ID
- 707
- Orbital eccentricity
- 0.011
- Inclination
- 0.2 degrees
Inclination reference: Laplace. Mean-element epoch: 2025-01-01.0 TDB · URA184.
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.
No dedicated-target flight is recorded for this moon.
1 records from the complete 9,386‑record production catalogue.
Sources & measurements
- JPL · IAU-recognized satellite discoveries ↗
- JPL · physical parameters and uncertainties ↗
- JPL · mean orbital elements ↗
- NASA NSSDCA · Jovian sidereal orbital periods ↗
- NASA · planetary exploration history ↗
- NASA · Voyager encounters ↗
- NASA · Galileo ↗
- NASA · Juno ↗
- NASA · Cassini–Huygens ↗
- NASA · New Horizons ↗
- ESA · Juice targets ↗
- NASA · Europa Clipper ↗
- NASA · Dragonfly ↗
- JAXA · MMX ↗