Key facts
- Mean diameter
- 5,149.4 km
- Mass
- 1.345 × 10^23 kg (0.0225 Earths)
- Surface gravity
- 1.352 m/s² (0.138 g)
- Escape velocity
- 2.64 km/s
- Mean temperature
- -179 °C
- Rotation period
- 382.68 hours
- Orbital period
- 15.945 days
- Mean distance from Saturn
- 1.2219 million km
Atmosphere
Dense nitrogen atmosphere (1.5 bar) with methane.
Composition and structure
Rock and ice.
Discovery and exploration
NASA's Dragonfly rotorcraft is planned to launch in 2028 to explore its surface.