Mercury

Mean Radius

2,439.4 km

Gravity

3.70 m/s²

Temperature

0 K (-273°C)

Orbital Period

88.0 d

Distance

0.387 AU

Physical Properties

Mean Radius2,439.4 km

Mass3.3011 × 10^23 kg

Surface Gravity3.70 m/s²

Density5.429 g/cm³

Escape Velocity4.25 km/s

Mean Temperature0 K (-273°C)

Axial Tilt0.04°

Rotation Period1407.60 h

AtmosphereNone

Ring SystemNone

Orbital Elements (J2000)

Semi-major Axis0.387093 AU

Eccentricity0.205600

Inclination7.0000°

Orbital Period87.97 days

Asc. Node (Ω)48.33167°

Arg. Perihelion (ω)29.12478°

Mean Anomaly (M₀)174.79252°

Perihelion46001200.000 AU

Aphelion69816900.000 AU

Data Sources

Physical & orbital data: Solar System OpenData API (api.le-systeme-solaire.net) · Orbital elements: NASA JPL Horizons System (J2000 epoch)