Solar System Constants

Properties and data for the Sun, the Earth and the Moon.

Properties and data for celestial bodies in our Solar System and beyond.

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Mass (kg)

Radius (m)

Acceleration of Gravity (m/s²)

Escape Velocity (m/s)

Mean Surface Temperature (K)

Surface Area-- m²

Volume-- m³

Mean Density-- kg/m³

Escape Velocity (calculated)-- m/s

Celestial Body	Mass (kg)	Radius (m)	Gravity (m/s²)	Escape Velocity (m/s)	Mean Temp (K)
Earth	5.98×10²⁴	6.38×10⁶	9.81	11.2×10³	288
Jupiter	1.9×10²⁷	71.5×10⁶	25	57.5×10³	163
Mars	6.42×10²³	3.4×10⁶	3.7	5.1×10³	208
Mercury	3.3×10²³	2.44×10⁶	3.7	4.3×10³	440
Moon	7.35×10²²	1.74×10⁶	1.6	2.4×10³	—
Neptune	1.02×10²⁶	24.8×10⁶	11	24.4×10³	73
Pluto	1.30×10²²	1.18×10⁶	0.62	—	48
Saturn	5.69×10²⁶	60.3×10⁶	10	35.4×10³	133
Sun	1.989×10³⁰	1390×10⁶	270	618×10³	—
Uranus	8.68×10²⁵	25.6×10⁶	8.9	21.9×10³	78
Venus	4.87×10²⁴	6.05×10⁶	8.9	10.3×10³	737

Notable Constants