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Most minor planets have rotation periods between 2 and 20 hours. [1] [3] As of 2019, a group of approximately 650 bodies, typically measuring 1–20 kilometers in diameter, have periods of more than 100 hours or 4 1 ⁄ 6 days. Among the slowest rotators, there are currently 15 bodies with a period longer than 1000 hours. [1]
This list contains the fastest-rotating minor planets with a period of less than 100 seconds, or 0.0277 hours. Bodies with a highly uncertain period, having a quality of less than 2, are highlighted in dark-grey. The fastest rotating bodies are all unnumbered near-Earth objects (NEOs) with a diameter of less than 100 meters (see table).
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
35.73 ks: the rotational period of planet Jupiter, fastest planet to rotate 38.0196 ks: rotational period of Saturn, second shortest rotational period 57.996 ks: one day on planet Neptune. 62.064 ks: one day on Uranus. 86.399 ks (23 h 59 min 59 s): The length of one day with a removed leap second on UTC time scale. Such has not yet occurred.
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).
Pages in category "Fast rotating minor planets" ... List of fast rotators (minor planets) # 1998 KY26; 2001 AV43; 2004 FH; 2006 RH120; 2008 HJ; 2008 TC3; 2010 AL30 ...
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Mercury to scale among the Inner Solar System planetary-mass objects beside the Sun, arranged by the order of their orbits outward from the Sun (from left: Mercury, Venus, Earth, the Moon, Mars and Ceres) Mercury is one of four terrestrial planets in the Solar System, which means it is a rocky body like Earth.