2P/Encke

Discovered 1786-01-17 · Pierre Méchain / Johann Encke

Shortest known orbital period of any named comet; source of Taurid meteor shower

Mean Radius

2.4 km

Gravity

0.00 m/s²

Temperature

230 K (-43°C)

Orbital Period

1204.0 d

Distance

2.215 AU

Physical Properties

Mean Radius2.4 km

Mass9.7000 × 10^13 kg

Surface Gravity0.00 m/s²

Density0.600 g/cm³

Escape Velocity0.00 km/s

Mean Temperature230 K (-43°C)

Axial Tilt0.00°

Rotation Period11.08 h

AtmosphereYes

Ring SystemNone

Orbital Elements (J2000)

Semi-major Axis2.214900 AU

Eccentricity0.848210

Inclination11.7800°

Orbital Period1204.00 days

Asc. Node (Ω)334.57700°

Arg. Perihelion (ω)186.52400°

Mean Anomaly (M₀)185.07000°

Perihelion0.336 AU

Aphelion4.095 AU

Data Sources

Physical & orbital data: NASA/JPL Planetary Fact Sheets · Orbital elements: NASA JPL Horizons System (J2000 epoch)