Space · Moons
Cordelia
A moon of Uranus — The innermost Uranian moon — inner shepherd of the ε ring.
Quick facts
Parent planet
Diameter (mean)
40 km
Mass
4.4 × 10¹⁶ kg
6e-07 Moon masses
Mean orbital radius
49,770 km
Orbital period
0.335 Earth days
Discovery year
1986
Discoverer
Richard J. Terrile (Voyager 2)
Naming origin
Youngest daughter in King Lear
Surface conditions
Cordelia is the innermost Uranian moon and the inner shepherd of the epsilon ring, paired with Ophelia as the outer shepherd.
Missions and observations
Every Uranus-system mission has had an opportunity to image or characterize Cordelia. The list below is the Uranus-system mission catalog; specific Cordelia encounters are documented in mission archives.
| Mission | Year at Uranus | Status |
|---|---|---|
|
Voyager 2 NASA |
1986 | Completed |
Naming etymology
Cordelia was the youngest, faithful daughter of King Lear in Shakespeare's tragedy. Adopted by the IAU in 1988.
Methodology & sources
Diameter, mass, and orbital parameters from JPL Solar System Dynamics — Physical Parameters. Discovery year and discoverer from the JPL Satellite Discovery Circumstances. Naming etymology from the IAU Working Group for Planetary System Nomenclature. Stylized SVG hero composed from NASA / JPL imagery as visual reference; no photographs are reproduced.