Titania
Titania
Moon
Taurus
Visible
Level 6
Professional/Research - Timing dependent
Properties
Magnitude
13.9
Angular Size
0.1 arcmin
Type: Moon
Distance: 0.003 AU
Orbital Period: 8.7 days
Diameter: 1,577 km
Atmosphere: Possible thin carbon dioxide
Features: Canyons, craters, scarps
Largest moon of Uranus; named after the queen of fairies in A Midsummer Night's Dream. Requires 8-10 inch telescope under dark skies.
Position & Identifiers
RA
03h 48m 13.3s
Dec
+19° 49' 59.5"
Constellation
Taurus
Catalog
Titania
Physical Properties
Diameter
1,577 km
(0.12× Earth)
Mass
3.53e21 kg
Albedo
0.27
(27% reflected)
Temperature
-213°C to -203°C
Rotation
8.7 days
Atmosphere
Possible thin carbon dioxide
Surface
Canyons, craters, scarps
Angular Size
0.1″ (current)
Orbital Properties
Semi-major Axis
0.0029 AU
(435,928 km)
Eccentricity
0.0011
Inclination
0.34°
Orbital Period
8.7 days
Distance
20.062 AU
(2.78 light-hours)
Elongation
53.2°
Moderate
Observing Tips
Best Months
September
, October
, November
Visibility
Telescope
Where to Look
Near Uranus
Notes
Largest moon of Uranus; named after the queen of fairies in A Midsummer Night's Dream. Requires 8-10 inch telescope under dark skies.
Parent Body
Discovery
Discovered by
William Herschel
Date
1787-01-11
Current Ephemeris
20.062
AU from Earth
3.00B
km
0.1″
Angular Size
53°
Elongation
Visibility
Set a location in User Settings to see visibility data.
Community Photos (1)
Credit: zelario12. License: CC BY-SA 2.0. (Wikimedia Commons)
Skybred Feb 28, 2026