Tarqeq (moon)

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Tarqeq
Provisional or systematic name S / 2007 S 1
Central body Saturn
Properties of the orbit
Major semi-axis 17,920,000 km
Periapsis 16,003,000 km
Apoapsis 19,837,000 km
eccentricity 0.107
Orbit inclination 49.86 °
Orbital time 894.86 d
Mean orbital velocity 23.9 km / s
Physical Properties
Medium diameter ≈ 7 km
Dimensions ≈ kg
Sidereal rotation ≈ 76 h 08 min
Acceleration of gravity on the surface ≈ 0 m / s 2
Escape speed ≈ 0 m / s
discovery
Explorer

Scott S. Sheppard , David C. Jewitt ,
Jan Kleyna , Brian G. Marsden

Date of discovery April 13, 2007

Tarqeq (also Saturn LII ) is one of the smaller outer moons of the planet Saturn .

discovery

The discovery of Tarqeq by Scott S. Sheppard , David C. Jewitt , Jan Kleyna and Brian G. Marsden on recordings from January 5, 2006 to March 22, 2007 was announced on April 13, 2007.
Tarqeq was initially the provisional designation S / 2007 S 1,
was named the moon after tarqeq , the moon spirit from the mythology of the Inuit .

Orbit data

Tarqeq orbits Saturn on an eccentric orbit at an average distance of 17,910,600 km in around 894 days and 22 hours.
The orbit eccentricity is 0.108, the orbit is inclined at 49.904 ° to the ecliptic .
Tarqeq belongs to the Inuit group of Saturn's moons.

Structure and physical data

Tarqeq has a diameter of about 7 km. This moon needs more than three days for one revolution around its own axis. This is the longest rotation period measured by the Cassini space probe for an irregular Saturn moon.

Web links

Individual evidence

  1. ↑ a b T. Denk, S. Mottola (2019): Studies of irregular satellites: I. Lightcurves and rotation periods of 25 Saturnian moons from Cassini observations. Icarus 322 , 80-102. DOI: 10.1016 / j.icarus.2018.12.040 .
further inside Saturn moons further outside
Skoll
Semi- major axis  (km) Tarqeq 17,920,000		 Tarvos
Well-known moons of planets and dwarf planets


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Dysnomia