Discovered by Brett J. Gladman et

Siarnaq (/ˈsiːɑːrnɑːk/ SEE-ar-nahk), or Saturn XXIX, is a prograde irregular satellite of Saturn. It was discovered by Brett J. Gladman, et al. in 2000,  and given the temporary designation S/2000 S 3. Named after the giant Siarnaq of Inuit mythology,  it is the largest member of the Inuit group of irregular satellites.

Siarnaq has been found to be in a secular resonance with Saturn, involving the precession of its periapsis and that of the planet. The studies of these resonances are key to understand the capture mechanism for the irregular satellites and, assuming a common origin of a given dynamical group in the break-up of a single body, to explain today's dispersion of the orbital elements.

The moon was physically surveyed during the Greater Solar System Survey Project (Phase IV) which included a detailed survey of all the smaller Saturn and Jupiter moons. (2115 - 2121
Siarnaq was one of the first moons during the IVth phase of the GSSSP to be surveyed in detail.
It has a colorful history in terms of United Earth history and was first utilized as a United Earth Sol Guard outpost and training base. It eventually became a traffic hub for Saturn and Saturn orbit objects. The moon remains to be a traffic hub with connections to Sol Hub , Earth Torus , TNO Hub and Oort Cloud Station . Since 5017 OTT, there is a Transmatter Tunnel connection to Sol Hub.
Siarnaq features a Class C spaceport and there is a Spacebus stop

Discovered by    Brett J. Gladman et al.
Discovery date    in 2000
Alternative names
S/2000 S 3
Saturn XXIX
Orbital characteristics
Epoch 2000 Feb. 26.00
Semi-major axis
17.531 Gm
Eccentricity    0.2961
Orbital period
895.55 d 
(2.45 yr)
Inclination    46.0°
Physical characteristics
Dimensions    40 km
Rotation period
10 h 09 m
Albedo    0.04 (assumed)
Spectral type
light red
B−V=0.87, R−V=0.48

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