UPSA Object Registry
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Uranus

Planet JPL Horizons
Mean radius
25,362 km
Mass
86.813 1e24 kg
Density
1.271 g/cm^3
Surface gravity
8.87 m/s^2
Rotation period
17.24
Orbital period
84.012 y
Geometric albedo
0.51
Mean temperature
76

Also known as

1 identifiers

Horizons 799

Recorded parameters

23 quantities with a single published value
ParameterValueUnitUncertainty As publishedSourceReference
Mass 86.813 1e24 kg Mass x10^24 (kg) JPL Horizons JPL Horizons on-line ephemeris system
Mean radius 25,362 km Vol. Mean Radius (km) JPL Horizons JPL Horizons on-line ephemeris system
Equatorial radius 25,559 Equat. radius (1 bar) JPL Horizons JPL Horizons on-line ephemeris system
Density 1.271 g/cm^3 Density (g/cm^3) JPL Horizons JPL Horizons on-line ephemeris system
Orbital period 84.01205 y Sidereal orbit period JPL Horizons JPL Horizons on-line ephemeris system
Rotation period 17.24 Sid. rot. period (III) JPL Horizons JPL Horizons on-line ephemeris system
Geometric albedo 0.51 Geometric Albedo JPL Horizons JPL Horizons on-line ephemeris system
Escape velocity 21.3 km/s Escape speed, km/s JPL Horizons JPL Horizons on-line ephemeris system
GM 5,793,951 km^3/s^2 GM (km^3/s^2) JPL Horizons JPL Horizons on-line ephemeris system
Mean temperature 76 Atmos. temp. (1 bar) JPL Horizons JPL Horizons on-line ephemeris system
Obliquity to orbit 97.77 deg Obliquity to orbit JPL Horizons JPL Horizons on-line ephemeris system
Mean solar day ~17.24 h Mean solar day, h JPL Horizons JPL Horizons on-line ephemeris system
Surface gravity 8.87 m/s^2 Equ. grav, ge (m/s^2) JPL Horizons JPL Horizons on-line ephemeris system
Aroche ice rp 2.2 Aroche(ice)/Rp JPL Horizons JPL Horizons on-line ephemeris system
Dg d mean orbit velocity 6.8 km/s dg/d Mean orbit velocity JPL Horizons JPL Horizons on-line ephemeris system
Flattening 0.02293 Flattening JPL Horizons JPL Horizons on-line ephemeris system
Hill s sphere rad rp 2,700 Hill's sphere rad., Rp JPL Horizons JPL Horizons on-line ephemeris system
Pol grav gp m s 2 9.19 m/s^2 Pol. grav, gp (m/s^2) JPL Horizons JPL Horizons on-line ephemeris system
Polar radius km 24,973 km Polar radius (km) JPL Horizons JPL Horizons on-line ephemeris system
Rocky core mass mc m 0.0012 mc/m Rocky core mass (Mc/M) JPL Horizons JPL Horizons on-line ephemeris system
Sid rot rate rad s -0.000101237 rad/s Sid. rot. rate (rad/s) JPL Horizons JPL Horizons on-line ephemeris system
Vis mag opposition 5.52 Vis. mag. (opposition) JPL Horizons JPL Horizons on-line ephemeris system
Visual magnitude v 1 0 -7.11 Visual magnitude V(1,0) JPL Horizons JPL Horizons on-line ephemeris system

Provenance

where this card came from
ArchiveRead at (UTC)Record
JPL Horizons 2026-08-14 17:11 open at source

Machine-readable: /api/v1/object/uranus · Registry entry updated 2026-08-14.