Solving for planet mass.

Note: r must be greater than the radius of the planet

G is the universal gravitational constant

G = 6.6726 x 10^{-11}N-m^{2}/kg^{2}

G = 6.6726 x 10

gravitational acceleration (a) = 0 = 0 meter/second^2 |

radius from the planet center (r) = 0 = 0 meter |

planet mass (M) = NOT CALCULATED |

Select to solve for a different unknown

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.

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