# Gravity Equations Formulas Calculator

## Science Physics Kepler's Third Law

Solving for satellite orbit period.
G is the universal gravitational constant
G = 6.6726 x 10-11N-m2/kg2

#### Inputs:

 planet mass (M) kilogramatomic mass unitattogramcarat metriccentigramdecigramdekagramdramexagramfemtogramgigagramgraingramhundredweight long ukhundredweight short USmegagrammicrogrammilligramnanogramouncepetagrampicogramplanck masspennyweightpoundslugsolar mass sunstoneteragramton longton metricton shorttonnetroy ounceyoctogramyottagramzeptogramzettagram

#### Conversions:

 satellite mean orbital radius (r)= 0 = 0meter
 planet mass (M)= 0 = 0kilogram

#### Solution:

 satellite orbit period (T)= NOT CALCULATED

#### Other Units:

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Newton's law of gravity
 gravitational force exerted between two objects mass of object 1 mass of object 2 distance between the objects
Kepler's third law
 satellite orbit period satellite mean orbital radius planet mass
gravitational acceleration
 gravitational acceleration planet mass radius from the planet center
escape or critical speed
 escape or critical speed planet mass planet radius

References - Books:
Tipler, Paul A.. 1995. Physics For Scientists and Engineers. Worth Publishers. 3rd ed.