Quick facts
Parent planet
Diameter (mean)
94 km
Mass
5.6 × 10¹⁷ kg
7.6e-06 Moon masses
Mean orbital radius
64,360 km
Orbital period
0.494 Earth days
Discovery year
1986
Discoverer
Stephen P. Synnott (Voyager 2)
Naming origin
Heroine of Romeo and Juliet
Surface conditions
Juliet is one of the Portia-group inner moons of Uranus, sharing an unstable orbital neighborhood that may eventually produce collisions.
Missions and observations
Every Uranus-system mission has had an opportunity to image or characterize Juliet. The list below is the Uranus-system mission catalog; specific Juliet encounters are documented in mission archives.
| Mission | Year at Uranus | Status |
|---|---|---|
|
Voyager 2 NASA |
1986 | Completed |
Naming etymology
Juliet was the title character of Shakespeare's Romeo and Juliet. 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.