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Most bodies have a period between 2 and 20 hours. [1] [a] This is a list of slow rotators—minor planets that have an exceptionally long rotation period. This period, typically given in hours, and sometimes called rotation rate or spin rate, is a fundamental standard physical property for minor planets.
Most planets rotate on their axes in an anticlockwise direction, but Venus rotates clockwise in retrograde rotation once every 243 Earth days—the slowest rotation of any planet. This Venusian sidereal day lasts therefore longer than a Venusian year (243 versus 224.7 Earth days).
All eight planets in the Solar System orbit the Sun in the direction of the Sun's rotation, which is counterclockwise when viewed from above the Sun's north pole. Six of the planets also rotate about their axis in this same direction. The exceptions – the planets with retrograde rotation – are Venus and Uranus.
This plot shows the distribution of rotation periods for 15,000 minor planets as of September 2016, plotted against their diameters. Most bodies have a period between 2 and 20 hours. [1] [a] This is a list of fast rotators—"minor planets" (which includes asteroids) that have an exceptionally short rotation period, i
The most important term has a period of 18.6 years and an amplitude of 9.2 arcseconds. [32] In addition to lunisolar precession, the actions of the other planets of the Solar System cause the whole ecliptic to rotate slowly around an axis which has an ecliptic longitude of about 174° measured on the instantaneous ecliptic.
Throughout January, planets Venus, Mars, Jupiter, Saturn, Neptune and Uranus will all be visible in the night sky. However, the best time to catch a glimpse of the planets will be on Jan. 29, the ...
Gonggong rotates slowly compared to other trans-Neptunian objects, which usually have periods between 6 and 12 hours. [9] Due to its slow rotation, it is expected to have a low oblateness of 0.03 or 0.007, for rotation periods of 22.4 or 44.81 hours, respectively.
The planets will appear to rotate westward around the bright star Polaris and will be visible each night beginning early in the evening. Venus and Saturn will slowly appear to come close together ...