Orbital elements
- Semi-major axis
- 0.001 AU
- Eccentricity
- 0.0202
- Orbital period
- 22.6 hours
- Epoch · J2000
- J2000
Physical properties
- Mean radius
- 198 km
- Mass
- 3.749 × 10¹⁹ kg
- Density
- 1.148 g/cm³
Visual & observation
- Geometric albedo
- 0.962
Discovery & classification
- Discovered by
- William Herschel
- Discovery date
- 17 September 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