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In astronomy, the rotation period or spin period [1] of a celestial object (e.g., star, planet, moon, asteroid) has two definitions. The first one corresponds to the sidereal rotation period (or sidereal day), i.e., the time that the object takes to complete a full rotation around its axis relative to the background stars (inertial space).
Saturn takes about 10.7 hours (no one knows precisely) to rotate once on its axis—a Saturn “day”—and 29 Earth years to orbit the sun. Saturn is a gas giant and does not have a solid ...
While approaching Saturn in 2004, Cassini found that the radio rotation period of Saturn had increased appreciably, to approximately 10 h 45 m 45 s ± 36 s. [ 91 ] [ 92 ] An estimate of Saturn's rotation (as an indicated rotation rate for Saturn as a whole) based on a compilation of various measurements from the Cassini , Voyager , and Pioneer ...
Saturn's Hexagon Comes to Light, APOD January 22, 2012; In the Center of Saturn's North Polar Vortex, Astronomy Picture of the Day – December 4, 2012; Video of hexagon's rotation from NASA; NASA's Cassini Spacecraft Obtains Best Views of Saturn Hexagon (December 4, 2013) Animated vortex view (TPS) Hexagon image; Saturn's Hexagon Replicated In ...
The sun passes south to north through the ring plane when Saturn's heliocentric longitude is 173.6 degrees (e.g. 11 August 2009), about the time Saturn crosses from Leo to Virgo. 15.7 years later Saturn's longitude reaches 353.6 degrees and the sun passes to the south side of the ring plane.
The orbital period (also revolution period) is the amount of time a given astronomical object takes to complete one orbit around another object. In astronomy, it usually applies to planets or asteroids orbiting the Sun, moons orbiting planets, exoplanets orbiting other stars, or binary stars.
The bright auroral features are observed to rotate with the angular speed of 60–75% that of Saturn. From time to time bright features appear in the dawn sector of the main oval or inside it. [ 41 ] The average total power emitted by the aurorae is about 50 GW in the far ultraviolet (80–170 nm) and 150–300 GW in the near-infrared (3–4 ...
Skathi takes just over 725 days to complete an orbit of Saturn and it is estimated to take 11.10 ± 0.02 hours to rotate on its axis. It orbits at a greater distance from Saturn than many of the planet's other satellites, with a large orbital inclination and eccentricity, and it moves in a retrograde direction. Not much is known about Skathi ...