SIDEREAL PERIOD

Sidereal period or periodic time of a planet is the time taken by it to make a complete revolution with reference to the fixed stars. In the case of the Moon it is 27 days 7 hours and 43 minutes. This is the minimum sidereal period among nava  grahas. The maximum sidereal period is that of Saturn which is 29.46 solar years. After considering the extra Saturnine planets, the maximum sidereal period is that of Pluto i.e. 248.4 years.

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