UPSA Object Registry
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Saturn

Planet JPL Horizons
Mean radius
58,232 km
Mass
5.6834 1e26 kg
Density
0.687 g/cm^3
Surface gravity
10.44 m/s^2
Rotation period
10 h
Orbital period
29.447 yr
Geometric albedo
0.47
Mean temperature
134

Also known as

1 identifiers

Horizons 699

Recorded parameters

23 quantities with a single published value
ParameterValueUnitUncertainty As publishedSourceReference
Mass 5.6834 1e26 kg Mass x10^26 (kg) JPL Horizons JPL Horizons on-line ephemeris system
Mean radius 58,232 km Vol. Mean Radius (km) JPL Horizons JPL Horizons on-line ephemeris system
Equatorial radius 60,268 Equat. radius (1 bar) JPL Horizons JPL Horizons on-line ephemeris system
Density 0.687 g/cm^3 Density (g/cm^3) JPL Horizons JPL Horizons on-line ephemeris system
Orbital period 29.4475 yr Sidereal orbit period JPL Horizons JPL Horizons on-line ephemeris system
Rotation period 10 h Sid. rot. period (III) JPL Horizons JPL Horizons on-line ephemeris system
Geometric albedo 0.47 Geometric Albedo JPL Horizons JPL Horizons on-line ephemeris system
Escape velocity 35.5 km/s Escape speed, km/s JPL Horizons JPL Horizons on-line ephemeris system
GM 3.79312e+07 km^3/s^2 GM (km^3/s^2) JPL Horizons JPL Horizons on-line ephemeris system
Mean temperature 134 Atmos. temp. (1 bar) JPL Horizons JPL Horizons on-line ephemeris system
Obliquity to orbit 26.73 deg Obliquity to orbit JPL Horizons JPL Horizons on-line ephemeris system
Mean solar day ~10.656 hrs Mean solar day, hrs JPL Horizons JPL Horizons on-line ephemeris system
Surface gravity 10.44 m/s^2 Equ. grav, ge (m/s^2) JPL Horizons JPL Horizons on-line ephemeris system
Aroche ice rp 2.71 Aroche(ice)/Rp JPL Horizons JPL Horizons on-line ephemeris system
Deg d mean orbit velocity 9.68 km/s deg/d Mean orbit velocity JPL Horizons JPL Horizons on-line ephemeris system
Flattening 0.09796 Flattening JPL Horizons JPL Horizons on-line ephemeris system
Hill s sphere rad rp 1,100 Hill's sphere rad. Rp JPL Horizons JPL Horizons on-line ephemeris system
Pol grav gp m s 2 12.14 m/s^2 Pol. grav, gp (m/s^2) JPL Horizons JPL Horizons on-line ephemeris system
Polar radius km 54,364 km Polar radius (km) JPL Horizons JPL Horizons on-line ephemeris system
Rocky core mass mc m 0.1027 mc/m Rocky core mass (Mc/M) JPL Horizons JPL Horizons on-line ephemeris system
Sid rot rate rad s 0.000163785 rad/s Sid. rot. rate (rad/s) JPL Horizons JPL Horizons on-line ephemeris system
Vis mag opposition 0.67 Vis. mag. (opposition) JPL Horizons JPL Horizons on-line ephemeris system
Vis magnitude v 1 0 -8.88 Vis. 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 17:10 open at source

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