Uranus
🚀 Visited by spacecraft
📋 A written introduction is coming — for now this page shows official values only.
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地球からの距離
18.5181 AU
2,770,262,542 km
光が届く時間
2h 34m
光の速さで
Computed 2026-11-03 23:07 UTC · planets astronomy-engine (VSOP87) · comets JPL elements (two-body)
Physical data
- Mean radius
- 25,362 km
- Equatorial radius
- 25,559 km
- Mass
- 86.8099 × 10²⁴ kg
- Density
- 1.27 g/cm³
- Surface gravity
- 8.87 m/s²
- Escape velocity
- 21.38 km/s
- Rotation period
- -0.71833 days
- Orbital period
- 84.0168 years
- Albedo
- 0.51
- Absolute magnitude V(1,0)
- -7.19 mag
Source:NASA JPL Solar System Dynamics · checked 2026-11-02 ↗
Orbit
- Semi-major axis
- 19.1892 AU
- Eccentricity
- 0.047257
- Inclination
- 0.772638°
Source:NASA JPL Solar System Dynamics · checked 2026-11-02 ↗
Related
Moons
+ 2 small moons without names (provisional designations in the NASA JPL table)
In everyday life
- Its diameter is about 4 times Earth's (radius 25,362 km ÷ Earth's 6,371 km).
- It takes about 84 Earth years to orbit the Sun.
- Sunlight needs about 2.7 hours to reach it on average (semi-major axis 19.2 AU) — versus about 8 min 19 s to Earth.