Physical properties
- Mean radius
- 470 km
- Mass
- 9.384 × 10²⁰ kg
- Density
- 2.162 g/cm³
- Rotation period
- 9.07 hours
- Axial tilt
- 4°
- Surface gravity
- 0.27 m/s²
- Escape velocity
- 0.51 km/s
Visual & observation
- Geometric albedo
- 0.09
- Absolute magnitude (H)
- 3.34
- Representative colour
- #A6A6A0
Discovery & classification
- Discovered by
- Giuseppe Piazzi
- Discovery date
- 1 January 1801
Sources
- physical properties: NASA Planetary Fact Sheet
- visual properties: NASA Planetary Fact Sheet
- physical properties: NASA Planetary Fact Sheet
- visual properties: NASA Planetary Fact Sheet
- physical properties: NASA Planetary Fact Sheet
- visual properties: NASA Planetary Fact Sheet
- physical properties: NASA Planetary Fact Sheet
- visual properties: NASA Planetary Fact Sheet
- physical properties: NASA Planetary Fact Sheet
- visual properties: NASA Planetary Fact Sheet
- physical properties: NASA Planetary Fact Sheet
- visual properties: NASA Planetary Fact Sheet
- physical properties: NASA Planetary Fact Sheet
- visual properties: NASA Planetary Fact Sheet
- physical properties: NASA Planetary Fact Sheet
- visual properties: NASA Planetary Fact Sheet
- physical properties: NASA Planetary Fact Sheet
- visual properties: NASA Planetary Fact Sheet
- physical properties: NASA Planetary Fact Sheet
- visual properties: NASA Planetary Fact Sheet
- physical properties: NASA Planetary Fact Sheet
- visual properties: NASA Planetary Fact Sheet
- physical properties: NASA Planetary Fact Sheet
- visual properties: NASA Planetary Fact Sheet
- physical properties: NASA Planetary Fact Sheet
- visual properties: NASA Planetary Fact Sheet
- physical properties: NASA Planetary Fact Sheet
- visual properties: NASA Planetary Fact Sheet
- physical properties: NASA Planetary Fact Sheet
- visual properties: NASA Planetary Fact Sheet
- physical properties: NASA Planetary Fact Sheet
- visual properties: NASA Planetary Fact Sheet