Siarnaq
Siarnaq (Natural satellite). See its size, orbit and live position on a 3D map of the Solar System. Siarnaq is the second-largest irregular moon of Saturn.
Siarnaq is the second-largest irregular moon of Saturn. It was discovered on 23 September 2000 by a team of astronomers led by Brett J. Gladman. It was named after the Inuit goddess of the sea, Siarnaq, who is more commonly known as Sedna. Siarnaq is the largest member of Saturn's Inuit group of prograde irregular moons, which orbit far from Saturn in the same direction as the planet's rotation. The moons of the Inuit group are believed to have originated as fragments from the collisional breakup of a larger progenitor moon after it was gravitationally captured into orbit around Saturn several billion years ago. Several other small Inuit group moons share similar orbits to Siarnaq, indicating that the moon had experienced another collision after forming from its progenitor.
- Type: Natural satellite
- Orbiting: Saturn
- Orbital period: 2.4 years