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September 19, 2014

September 19, 2014

Posted by **JV** on Friday, October 21, 2011 at 4:59pm.

What is the mass of that sun?

- Physics -
**tchrwill**, Sunday, October 23, 2011 at 8:22amThe period of an orbiting body derives from

....T = 2(Pi)sqrt(r^3/µ) in seconds where T = the period in sec, Pi = 3.1416, r = the orbital radius about the Sun in meters and µ = the planet's gravitational constant = Gm where G = the gravitational constant of the Sun and m = the mass of the planet.

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