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The inclination and semi-major axis are represented on the Y and X-axis, respectively. The satellites with inclinations below 90° are prograde, those above 90° are retrograde. The X-axis is labeled in terms of Saturn's Hill radius. The Gallic group is a dynamical grouping of the prograde irregular satellites of Saturn following similar orbits.
In reality, stars orbit the center of their galaxy. Stars with an orbit retrograde relative to a disk galaxy's general rotation are more likely to be found in the galactic halo than in the galactic disk. The Milky Way's outer halo has many globular clusters with a retrograde orbit [40] and with a retrograde or zero rotation. [41]
S/2007 S 8 is about 4 kilometers in diameter, and orbits Saturn at a distance of 17.049 Gm in 836.90 days, at an inclination of 36.5, orbits in prograde direction and eccentricity of 0.490. [2] S/2007 S 8 belongs to the Gallic group. S/2007 S 8 is currently the least inclined irregular natural satellite of Saturn. [1]
This orbit was used on the Spitzer Space Telescope in order to drastically reduce the heat load from the warm Earth from a more typical geocentric orbit used for space telescopes. [25] Graveyard orbit (or disposal, junk orbit) : An orbit that satellites are moved into at the end of their operation.
The X-axis is labeled in terms of Saturn's Hill radius. The Inuit group is a dynamical grouping of the prograde irregular satellites of Saturn which follow similar orbits. Their semi-major axes range between 11 and 19 Gm, their inclinations between 45° and 50°, and their eccentricities between 0.11 and 0.39. They take an average of 2 years to ...
Tarqeq, also known as Saturn LII (provisional designation S/2007 S 1) is a natural satellite of Saturn. Its discovery was announced by Scott S. Sheppard , David C. Jewitt , Jan Kleyna , and Brian G. Marsden on 13 April 2007 from observations taken between 5 January 2006 and 22 March 2007.
S/2020 S 1 is about 3.75 kilometers in diameter, and orbits Saturn at a distance of 11.339 Gm in 451.10 days, at an inclination of 48.2°, orbits in prograde direction and eccentricity of 0.337. [2] S/2020 S 1 belongs to the Inuit group and it may be a Kiviuq and/or Ijiraq fragment that broke off long ago, since it shares the same orbital elements.
An inclination of 0° means the orbiting body has a prograde orbit in the planet's equatorial plane. An inclination greater than 0° and less than 90° also describes a prograde orbit. An inclination of 63.4° is often called a critical inclination, when describing artificial satellites orbiting the Earth, because they have zero apogee drift. [3]