UPSA Object Registry
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Jupiter

Planet JPL Horizons
Mean radius
69,911 km
Mass
18.982 1e26 kg
Density
1.3262 g/cm^3
Surface gravity
24.79 m/s^2
Rotation period
9 h
Orbital period
11.862 y
Geometric albedo
0.52
Mean temperature
165

Also known as

1 identifiers

Horizons 599

Recorded parameters

24 quantities with a single published value
ParameterValueUnitUncertainty As publishedSourceReference
Mass 18.9819 1e26 kg Mass x 10^26 (kg) JPL Horizons JPL Horizons on-line ephemeris system
Mean radius 69,911 km Vol. Mean Radius (km) JPL Horizons JPL Horizons on-line ephemeris system
Equatorial radius 71,492 Equat. radius (1 bar) JPL Horizons JPL Horizons on-line ephemeris system
Density 1.3262 g/cm^3 Density (g/cm^3) JPL Horizons JPL Horizons on-line ephemeris system
Orbital period 11.86198 y Sidereal orbit period JPL Horizons JPL Horizons on-line ephemeris system
Rotation period 9 h Sid. rot. period (III) JPL Horizons JPL Horizons on-line ephemeris system
Geometric albedo 0.52 Geometric Albedo JPL Horizons JPL Horizons on-line ephemeris system
Escape velocity 59.5 km/s Escape speed, km/s JPL Horizons JPL Horizons on-line ephemeris system
GM 1.26687e+08 km^3/s^2 GM (km^3/s^2) JPL Horizons JPL Horizons on-line ephemeris system
Mean temperature 165 Atmos. temp. (1 bar) JPL Horizons JPL Horizons on-line ephemeris system
Obliquity to orbit 3.13 deg Obliquity to orbit JPL Horizons JPL Horizons on-line ephemeris system
Mean orbital speed 13.0697 km/s Mean orbit speed, km/s JPL Horizons JPL Horizons on-line ephemeris system
Mean solar day ~9.9259 hrs Mean solar day, hrs JPL Horizons JPL Horizons on-line ephemeris system
Surface gravity 24.79 m/s^2 Equ. grav, ge (m/s^2) JPL Horizons JPL Horizons on-line ephemeris system
Flattening 0.06487 Flattening JPL Horizons JPL Horizons on-line ephemeris system
Hill s sphere rad rp 740 Hill's sphere rad. Rp JPL Horizons JPL Horizons on-line ephemeris system
Mean daily motion 0.0831294 deg/d Mean daily motion JPL Horizons JPL Horizons on-line ephemeris system
Pol grav gp m s 2 28.34 m/s^2 Pol. grav, gp (m/s^2) JPL Horizons JPL Horizons on-line ephemeris system
Polar radius km 66,854 km Polar radius (km) JPL Horizons JPL Horizons on-line ephemeris system
Roche ice rp 2.76 roche(ice)/Rp JPL Horizons JPL Horizons on-line ephemeris system
Rocky core mass mc m 0.0261 mc/m Rocky core mass (Mc/M) JPL Horizons JPL Horizons on-line ephemeris system
Sid rot rate rad s 0.00017585 rad/s Sid. rot. rate (rad/s) JPL Horizons JPL Horizons on-line ephemeris system
Vis mag opposition -2.7 Vis. mag. (opposition) JPL Horizons JPL Horizons on-line ephemeris system
Vis magnitude v 1 0 -9.4 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 17:09 open at source

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