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sidereal period |
Also found in: Wikipedia, Hutchinson | 0.06 sec. |
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sidereal period, in astronomy, length of time a body takes to complete an orbit relative to the fixed stars. See sidereal time sidereal time (ST), time measured relative to the fixed stars; thus, the sidereal day is the period during which the earth completes one rotation on its axis so that some chosen star appears twice on the observer's celestial meridian . ..... Click the link for more information. . sidereal periodTime required for a celestial body in the solar system to complete one revolution with respect to the fixed stars (as observed from a fixed point outside the system). A planet's sidereal period can be calculated from its synodic period. The sidereal period of the Moon or an artificial satellite of Earth is the time it takes to return to the same position against the background of stars. See also day. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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NASA's Chandra X-ray Observatory also found that the pair's orbital period is declining by 1. Its orbital period, which is the time it takes to complete one orbit of the Earth, will be approximately 101. That's when Saturn reached a sweet spot, where its orbital period became exactly twice that of Jupiter's. |
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