m
kg
s

Formula

Satellite Orbit Period :
T = √(4∏2r3/GM)

Satellite Mean Orbital Radius :
r = 3*√(T 2GM/4∏2)
 

Planet Mass :
M = 4 ∏2 r3/GT

Where,
G = Universal Gravitational Constant = 6.6726 x 10- 11N-m2/kg2
r = Satellite Mean Orbital Radius
M = Planet Mass