Where is it now
- Distance from Sun
- 29.89 AU
- True anomaly
- 313.76°
- As of
- 29 August 2026
Two-body Kepler propagation — accurate to ~0.1% for major planets over decades, less so for highly-perturbed bodies. Use JPL Horizons for high precision.
Orbital elements
- Semi-major axis
- 30.07 AU
- Eccentricity
- 0.0086
- Inclination
- 1.77°
- Orbital period
- 164.8 years
- Perihelion
- 29.811 AU
- Aphelion
- 30.327 AU
- Longitude of ascending node
- 131.78°
- Argument of periapsis
- 276.34°
- Epoch · J2000
- J2000
Physical properties
- Mean radius
- 24,622 km
- Equatorial radius
- 24,764 km
- Polar radius
- 24,341 km
- Mass
- 1.024 × 10²⁶ kg
- Density
- 1.638 g/cm³
- Rotation period
- 16.11 hours
- Axial tilt
- 28.32°
- Surface gravity
- 11.15 m/s²
- Escape velocity
- 23.5 km/s
Visual & observation
- Geometric albedo
- 0.442
- Bond albedo
- 0.29
- Representative colour
- #3F5BAA
Discovery & classification
- Discovered by
- Urbain Le Verrier, Johann Galle, Heinrich d'Arrest
- Discovery date
- 23 September 1846
Ring system
| Ring | Inner radius | Outer radius | Width |
|---|---|---|---|
| Galle Ring | 40,900 km | 42,900 km | 2,000 km |
| Galle Ring | 40,900 km | 42,900 km | 2,000 km |
| Galle Ring | 40,900 km | 42,900 km | 2,000 km |
| Galle Ring | 40,900 km | 42,900 km | 2,000 km |
| Galle Ring | 40,900 km | 42,900 km | 2,000 km |
| Galle Ring | 40,900 km | 42,900 km | 2,000 km |
| Galle Ring | 40,900 km | 42,900 km | 2,000 km |
| Galle Ring | 40,900 km | 42,900 km | 2,000 km |
| Galle Ring | 40,900 km | 42,900 km | 2,000 km |
| Galle Ring | 40,900 km | 42,900 km | 2,000 km |
| Galle Ring | 40,900 km | 42,900 km | 2,000 km |
| Galle Ring | 40,900 km | 42,900 km | 2,000 km |
| Galle Ring | 40,900 km | 42,900 km | 2,000 km |
| Galle Ring | 40,900 km | 42,900 km | 2,000 km |
| Galle Ring | 40,900 km | 42,900 km | 2,000 km |
| Galle Ring | 40,900 km | 42,900 km | 2,000 km |
| Le Verrier Ring | 53,200 km | 53,200 km | 0.00 km |
| Lassell Ring | 53,200 km | 57,200 km | 4,000 km |
| Le Verrier Ring | 53,200 km | 53,200 km | 0.00 km |
| Lassell Ring | 53,200 km | 57,200 km | 4,000 km |
| Le Verrier Ring | 53,200 km | 53,200 km | 0.00 km |
| Lassell Ring | 53,200 km | 57,200 km | 4,000 km |
| Le Verrier Ring | 53,200 km | 53,200 km | 0.00 km |
| Lassell Ring | 53,200 km | 57,200 km | 4,000 km |
| Le Verrier Ring | 53,200 km | 53,200 km | 0.00 km |
| Lassell Ring | 53,200 km | 57,200 km | 4,000 km |
| Le Verrier Ring | 53,200 km | 53,200 km | 0.00 km |
| Lassell Ring | 53,200 km | 57,200 km | 4,000 km |
| Le Verrier Ring | 53,200 km | 53,200 km | 0.00 km |
| Lassell Ring | 53,200 km | 57,200 km | 4,000 km |
| Le Verrier Ring | 53,200 km | 53,200 km | 0.00 km |
| Lassell Ring | 53,200 km | 57,200 km | 4,000 km |
| Le Verrier Ring | 53,200 km | 53,200 km | 0.00 km |
| Lassell Ring | 53,200 km | 57,200 km | 4,000 km |
| Le Verrier Ring | 53,200 km | 53,200 km | 0.00 km |
| Lassell Ring | 53,200 km | 57,200 km | 4,000 km |
| Le Verrier Ring | 53,200 km | 53,200 km | 0.00 km |
| Lassell Ring | 53,200 km | 57,200 km | 4,000 km |
| Le Verrier Ring | 53,200 km | 53,200 km | 0.00 km |
| Lassell Ring | 53,200 km | 57,200 km | 4,000 km |
| Le Verrier Ring | 53,200 km | 53,200 km | 0.00 km |
| Lassell Ring | 53,200 km | 57,200 km | 4,000 km |
| Le Verrier Ring | 53,200 km | 53,200 km | 0.00 km |
| Lassell Ring | 53,200 km | 57,200 km | 4,000 km |
| Le Verrier Ring | 53,200 km | 53,200 km | 0.00 km |
| Lassell Ring | 53,200 km | 57,200 km | 4,000 km |
| Le Verrier Ring | 53,200 km | 53,200 km | 0.00 km |
| Lassell Ring | 53,200 km | 57,200 km | 4,000 km |
| Arago Ring | 57,200 km | 57,200 km | 0.00 km |
| Arago Ring | 57,200 km | 57,200 km | 0.00 km |
| Arago Ring | 57,200 km | 57,200 km | 0.00 km |
| Arago Ring | 57,200 km | 57,200 km | 0.00 km |
| Arago Ring | 57,200 km | 57,200 km | 0.00 km |
| Arago Ring | 57,200 km | 57,200 km | 0.00 km |
| Arago Ring | 57,200 km | 57,200 km | 0.00 km |
| Arago Ring | 57,200 km | 57,200 km | 0.00 km |
| Arago Ring | 57,200 km | 57,200 km | 0.00 km |
| Arago Ring | 57,200 km | 57,200 km | 0.00 km |
| Arago Ring | 57,200 km | 57,200 km | 0.00 km |
| Arago Ring | 57,200 km | 57,200 km | 0.00 km |
| Arago Ring | 57,200 km | 57,200 km | 0.00 km |
| Arago Ring | 57,200 km | 57,200 km | 0.00 km |
| Arago Ring | 57,200 km | 57,200 km | 0.00 km |
| Arago Ring | 57,200 km | 57,200 km | 0.00 km |
| Adams Ring | 62,930 km | 62,930 km | 0.00 km |
| Adams Ring | 62,930 km | 62,930 km | 0.00 km |
| Adams Ring | 62,930 km | 62,930 km | 0.00 km |
| Adams Ring | 62,930 km | 62,930 km | 0.00 km |
| Adams Ring | 62,930 km | 62,930 km | 0.00 km |
| Adams Ring | 62,930 km | 62,930 km | 0.00 km |
| Adams Ring | 62,930 km | 62,930 km | 0.00 km |
| Adams Ring | 62,930 km | 62,930 km | 0.00 km |
| Adams Ring | 62,930 km | 62,930 km | 0.00 km |
| Adams Ring | 62,930 km | 62,930 km | 0.00 km |
| Adams Ring | 62,930 km | 62,930 km | 0.00 km |
| Adams Ring | 62,930 km | 62,930 km | 0.00 km |
| Adams Ring | 62,930 km | 62,930 km | 0.00 km |
| Adams Ring | 62,930 km | 62,930 km | 0.00 km |
| Adams Ring | 62,930 km | 62,930 km | 0.00 km |
| Adams Ring | 62,930 km | 62,930 km | 0.00 km |
16 moons
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