Orbital elements
- Semi-major axis
- 0.002 AU
- Eccentricity
- 0.0047
- Inclination
- 0.01°
- Orbital period
- 32.9 hours
- Epoch · J2000
- J2000
Physical properties
- Mean radius
- 252 km
- Mass
- 1.08 × 10²⁰ kg
- Density
- 1.609 g/cm³
- Rotation period
- 32.9 hours
- Surface gravity
- 0.11 m/s²
Visual & observation
- Geometric albedo
- 0.99
- Representative colour
- #EFEFEF
Discovery & classification
- Discovered by
- William Herschel
- Discovery date
- 28 August 1789
Sources
- orbital elements: NASA Planetary Fact Sheet / JPL keplerian elements
- physical properties: NASA Planetary Fact Sheet
- visual properties: NASA Planetary Fact Sheet
- orbital elements: NASA Planetary Fact Sheet / JPL keplerian elements
- physical properties: NASA Planetary Fact Sheet
- visual properties: NASA Planetary Fact Sheet
- orbital elements: NASA Planetary Fact Sheet / JPL keplerian elements
- physical properties: NASA Planetary Fact Sheet
- visual properties: NASA Planetary Fact Sheet
- orbital elements: NASA Planetary Fact Sheet / JPL keplerian elements
- physical properties: NASA Planetary Fact Sheet
- visual properties: NASA Planetary Fact Sheet
- orbital elements: NASA Planetary Fact Sheet / JPL keplerian elements
- physical properties: NASA Planetary Fact Sheet
- visual properties: NASA Planetary Fact Sheet
- orbital elements: NASA Planetary Fact Sheet / JPL keplerian elements
- physical properties: NASA Planetary Fact Sheet
- visual properties: NASA Planetary Fact Sheet
- orbital elements: NASA Planetary Fact Sheet / JPL keplerian elements
- physical properties: NASA Planetary Fact Sheet
- visual properties: NASA Planetary Fact Sheet
- orbital elements: NASA Planetary Fact Sheet / JPL keplerian elements
- physical properties: NASA Planetary Fact Sheet
- visual properties: NASA Planetary Fact Sheet
- orbital elements: NASA Planetary Fact Sheet / JPL keplerian elements
- physical properties: NASA Planetary Fact Sheet
- visual properties: NASA Planetary Fact Sheet
- orbital elements: NASA Planetary Fact Sheet / JPL keplerian elements
- physical properties: NASA Planetary Fact Sheet
- visual properties: NASA Planetary Fact Sheet
- orbital elements: NASA Planetary Fact Sheet / JPL keplerian elements
- physical properties: NASA Planetary Fact Sheet
- visual properties: NASA Planetary Fact Sheet
- orbital elements: NASA Planetary Fact Sheet / JPL keplerian elements
- physical properties: NASA Planetary Fact Sheet
- visual properties: NASA Planetary Fact Sheet
- orbital elements: NASA Planetary Fact Sheet / JPL keplerian elements
- physical properties: NASA Planetary Fact Sheet
- visual properties: NASA Planetary Fact Sheet
- orbital elements: NASA Planetary Fact Sheet / JPL keplerian elements
- physical properties: NASA Planetary Fact Sheet
- visual properties: NASA Planetary Fact Sheet
- orbital elements: NASA Planetary Fact Sheet / JPL keplerian elements
- physical properties: NASA Planetary Fact Sheet
- visual properties: NASA Planetary Fact Sheet
- orbital elements: NASA Planetary Fact Sheet / JPL keplerian elements
- physical properties: NASA Planetary Fact Sheet
- visual properties: NASA Planetary Fact Sheet