Apogee Altitude | Find the apogee altitude given the perigee altitude and the period of a revolution |

Velocity Impulse | Use this Orbital Mechanics tool to calculate the velocity impulses given the initial mass, final mass, and specific impulse. |

Mass of Propellant | Use this Orbital Mechanics tool to estimate the mass of propellant given the payload mass, burnout mass, velocity impulse, and specific impulse |

Period of Revolution | Find the period of revolution of a satellite given the perigee and apoge altitudes |

Velocity at Perigee | Find the apogee altitude given the perigee altitude and the period of a revolution |

Velocity at Apogee | Find the velocity at apogee |

Period of an Elliptic Orbit | Use this Orbital Mechanics tool to calculate the period of an elliptic orbit given its semi-major axis |

Semi-major Axis | Find the semi-major axis of an elliptic orbit given the number of revolutions per day and the period of revolution |

Apsidal Rotation Rate | Use this Orbital Mechanics tool to calculate the apsidal regression rate |

Circular Orbit Velocity | Calculate the circular orbit velocity from the radius of the orbit |

Escape Velocity | Calculate the escape velocity given the radius of the elliptic orbit. |

Gravitational Force Between Two Particles | Find the attraction force of two particles separated by a distance |

Periapsis Radius | Find the periapsis radius given the apoapsis radius, apoapsis velocity, and mass of the central object |

Periapsis Velocity | Find the periapsis velocity given the apoapsis radius, apoapsis velocity, and mass of the central object |

Right Ascension From Position Vector | Calculate the right ascension given the position vector |

Declination From Position Vector | Calculate the declination given the position vector |

Angular Momentum | Find the angular momentum of a satellite given its vector position and vector velocity |

Inclination from Position and Velocity Vectors | Find the inclination of an orbit given the satellite |

Secular Nodal Regression Rate | Find the apogee altitude given the perigee altitude and the period of a revolution |

Secular Nodal Regression Rate From Perigee and Apogee Radii | Find the apogee altitude given the perigee altitude and the period of a revolution |

Eccentric Anomaly | Calculate the eccentric anomaly given the eccentricity and true anomaly. |

Calculate the mean anomaly. | Mean Anomaly |

Mean Anomaly at Time Since Periapsis | Calculate the mean anomaly at a given time since the periapsis knowing the period. |

Time Since Periapsis | Find the apogee altitude given the perigee altitude and the period of a revolution |

True Anomaly | Calculate the true anomaly given the eccentricity and the eccentric anomaly. |

Universal Anomaly of an Elliptical Orbit | Calculate the universal anomaly of an elliptical orbit given its eccentric anomaly and the semi-major axis |

Circular Orbit Plane Change Velocity | Calculate the velocity required to change the plane of a circular orbit given the radius, the inclination of the initial orbit, and the inclination of the final orbit. |

Circular Orbit Hohmann Transfer Velocities | Find the apogee altitude given the perigee altitude and the period of a revolutionCalculate the velocities to tranfer from a circular orbit to another circular orbit using a Hohmann transfer. |

Bi-elliptic Transfer Velocities | Calculate the velocities to tranfer from a circular orbit to another circular orbit using a bi-elliptic transfer. |

Circular Orbit Period | Calculate the period of a circular orbit given the radius |

Radius of Circular Orbit from Velocity | Calculate the radius of a circular orbit |

Circular Orbit Radius From Period | Calculate the radius of a circular orbit from its period |

Circular Mars Orbit Radius From Period | Calculate the radius of a circular orbit relative to Mars from its period |

Circular Mars Orbit Period | Calculate the period of a circular orbit given the radius relative to Mars |

Radius of Circular Mars Orbit from Velocity | Calculate the radius of a circular orbit relative to Mars |

Radius of Circular Venus Orbit from Velocity | Calculate the radius of a circular orbit relative to Venus |

Circular Venus Orbit Period | Calculate the period of a circular orbit given the radius relative to Venus |

Circular Venus Orbit Radius From Period | Calculate the radius of a circular orbit relative to Venus from its period |

Circular Sun Orbit Radius From Period | Calculate the radius of a circular orbit relative to Venus from its period |

Circular Sun Orbit Period | Calculate the period of a circular orbit given the radius relative to the Sun |

Radius of Circular Orbit around the Sun from Velocity | Calculate the radius of a circular orbit relative to the Sun |

Radius of Circular Orbit from Velocity Relative to Mercury | Calculate the radius of a circular orbit relative to Mercury |

Circular Mercury Orbit Period | Calculate the period of a circular orbit given the radius relative to Mercury |

Radius of Circular Orbit from Velocity Relative to Jupiter | Calculate the radius of a circular orbit relative to Jupiter |

Circular Jupiter Orbit Period | Calculate the period of a circular orbit given the radius relative to Jupiter |

Radius of Circular Orbit from Velocity Relative to Saturn | Calculate the radius of a circular orbit relative to Saturn |

Circular Saturn Orbit Period | Calculate the period of a circular orbit given the radius relative to Saturn |

Radius of Circular Orbit from Velocity Relative to Uranus | Calculate the radius of a circular orbit relative to Uranus |

Circular Uranus Orbit Period | Calculate the period of a circular orbit given the radius relative to Uranus |

Perigee Radius from Perigee Altitude | Find the apogee altitude given the perigee altitude and the period of a revolution |

Angular Momentum from Perigee Radius and Eccentricity | Use this tool to calculate the angular momentum given the perigee altitude and the eccentricity |

Angular Momentum from Perigee Radius and Eccentricity in Mars Orbit | Use this tool to calculate the angular momentum given the perigee altitude and the eccentricity of an orbit around Mars |

Angular Momentum from Perigee Radius and Eccentricity in Venus Orbit | Use this tool to calculate the angular momentum given the perigee altitude and the eccentricity of an orbit around Venus |

Angular Momentum from Perigee Radius and Eccentricity in Mercury Orbit | Use this tool to calculate the angular momentum given the perigee altitude and the eccentricity of an orbit around Mercury |

Angular Momentum from Perigee Radius and Eccentricity in Saturn Orbit | Use this tool to calculate the angular momentum given the perigee altitude and the eccentricity of an orbit around Saturn |

Angular Momentum from Perigee Radius and Eccentricity in Sun Orbit | Use this tool to calculate the angular momentum given the perigee altitude and the eccentricity of an orbit around Sun |

Angular Momentum from Perigee Radius and Eccentricity in Jupiter Orbit | Use this tool to calculate the angular momentum given the perigee altitude and the eccentricity of an orbit around Jupiter |

Angular Momentum from Perigee Radius and Eccentricity in Uranus Orbit | Use this tool to calculate the angular momentum given the perigee altitude and the eccentricity of an orbit around Uranus |

Angular Momentum from Perigee Radius and Eccentricity in Neptune Orbit | Use this tool to calculate the angular momentum given the perigee altitude and the eccentricity of an orbit around Neptune |

Angular Momentum from Perigee Radius and Eccentricity in Pluto Orbit | Use this tool to calculate the angular momentum given the perigee altitude and the eccentricity of an orbit around Pluto |

Angular Momentum from Perigee Radius and Eccentricity in Earth Moon Orbit | Use this tool to calculate the angular momentum given the perigee altitude and the eccentricity of an orbit around Earth Moon |

Circular Orbit Velocity From Altitude | Calculate the circular orbit velocity from the altitude of the orbit |

Circular Orbit Velocity From Altitude Relative to Mars | Calculate the circular orbit velocity from the altitude of the orbit relative to Mars |

Circular Orbit Velocity From Altitude Relative to Venus | Calculate the circular orbit velocity from the altitude of the orbit relative to Venus |

Circular Orbit Velocity From Altitude Relative to Mercury | Calculate the circular orbit velocity from the altitude of the orbit relative to Mercury |

Circular Orbit Velocity From Altitude Relative to Saturn | Calculate the circular orbit velocity from the altitude of the orbit relative to Saturn |

Circular Orbit Velocity From Altitude Relative to Jupiter | Calculate the circular orbit velocity from the altitude of the orbit relative to Jupiter |

Circular Orbit Velocity From Altitude Relative to Uranus | Calculate the circular orbit velocity from the altitude of the orbit relative to Uranus |

Circular Orbit Velocity From Altitude Relative to Neptune | Calculate the circular orbit velocity from the altitude of the orbit relative to Neptune |

Circular Orbit Velocity From Altitude Relative to Pluto | Calculate the circular orbit velocity from the altitude of the orbit relative to Pluto |

Circular Orbit Period from Altitude | Calculate the period of a circular orbit given the altitude |

Circular Orbit Period from Altitude Relative to Mercury | Calculate the period of a circular orbit given the altitude relative to Mercury |

Circular Orbit Period from Altitude Relative to Venus | Calculate the period of a circular orbit given the altitude relative to Venus |

Circular Orbit Period from Altitude Relative to Mars | Calculate the period of a circular orbit given the altitude relative to Mars |

Circular Orbit Period from Altitude Relative to Jupiter | Calculate the period of a circular orbit given the altitude relative to Jupiter |

Circular Orbit Period from Altitude Relative to Saturn | Calculate the period of a circular orbit given the altitude relative to Saturn |

Circular Orbit Period from Altitude Relative to Uranus | Calculate the period of a circular orbit given the altitude relative to Uranus |

Circular Orbit Period from Altitude Relative to Neptune | Calculate the period of a circular orbit given the altitude relative to Neptune |

Circular Orbit Period from Altitude Relative to Pluto | Calculate the period of a circular orbit given the altitude relative to Pluto |

Semi-major Axis From Apogee and Perigee Radii | Calculate the semi-major axis from perigee and apogee radii |

Azimuth Averaged Radius | Calculate the Azimuth-Averaged Radius |

Apogee Velocity from Angular Momentum and Apogee Radius | Calculate the Apogee Velocity |

Elliptical Orbit Period From Angular Momentum and Eccentricity | Calculate the orbit period of an elliptical orbit given the angular momentum and eccentricity. |

Elliptical Mars Orbit Period From Angular Momentum and Eccentricity | Calculate the Mars orbit period of an elliptical orbit given the angular momentum and eccentricity. |

Elliptical Mercury Orbit Period From Angular Momentum and Eccentricity | Calculate the Mercury orbit period of an elliptical orbit given the angular momentum and eccentricity. |

Elliptical Venus Orbit Period From Angular Momentum and Eccentricity | Calculate the Venus orbit period of an elliptical orbit given the angular momentum and eccentricity. |

Elliptical Saturn Orbit Period From Angular Momentum and Eccentricity | Calculate the Saturn orbit period of an elliptical orbit given the angular momentum and eccentricity. |

Elliptical Neptune Orbit Period From Angular Momentum and Eccentricity | Calculate the Neptune orbit period of an elliptical orbit given the angular momentum and eccentricity. |

Elliptical Jupiter Orbit Period From Angular Momentum and Eccentricity | Calculate the Jupiter orbit period of an elliptical orbit given the angular momentum and eccentricity. |

Elliptical Uranus Orbit Period From Angular Momentum and Eccentricity | Calculate the Uranus orbit period of an elliptical orbit given the angular momentum and eccentricity. |

Elliptical Pluto Orbit Period From Angular Momentum and Eccentricity | Calculate the Pluto orbit period of an elliptical orbit given the angular momentum and eccentricity. |

True Anomaly From Azimuth Averaged Radius Angular Momentum And Eccentricity | Calculate the true anomaly of an orbit given the azimuth averaged radius, angular momentum, and eccentricity |

True Anomaly From Azimuth Averaged Radius Angular Momentum And Eccentricity Relative to Mercury | Calculate the true anomaly of an orbit given the azimuth averaged radius, angular momentum, and eccentricity |

True Anomaly From Azimuth Averaged Radius Angular Momentum And Eccentricity Relative to Venus | Calculate the true anomaly of an orbit given the azimuth averaged radius, angular momentum, and eccentricity |

True Anomaly From Azimuth Averaged Radius Angular Momentum And Eccentricity Relative to Mars | |

True Anomaly From Azimuth Averaged Radius Angular Momentum And Eccentricity Relative to Jupiter | |

True Anomaly From Azimuth Averaged Radius Angular Momentum And Eccentricity Relative to Saturn | |

True Anomaly From Azimuth Averaged Radius Angular Momentum And Eccentricity Relative to Uranus | |

True Anomaly From Azimuth Averaged Radius Angular Momentum And Eccentricity Relative to Neptune | |

True Anomaly From Azimuth Averaged Radius Angular Momentum And Eccentricity Relative to Pluto | |

Acceleration Of Gravity From Altitude | Calculate the acceleration of gravity given the altitude |

Potential Energy Per Unit Mass | Calculate the potential energy per unit mass |

Potential Energy Per Unit Mass Relative To Venus | Calculate the potential energy per unit mass relative to Venus |

Potential Energy Per Unit Mass Relative To Mercury | Calculate the potential energy per unit mass relative to Mercury |

Potential Energy Per Unit Mass Relative To Mars | Calculate the potential energy per unit mass relative to Mars |

Potential Energy Per Unit Mass Relative To Jupiter | Calculate the potential energy per unit mass relative to Jupiter |

Potential Energy Per Unit Mass Relative To Saturn | Calculate the potential energy per unit mass relative to Saturn |

Potential Energy Per Unit Mass Relative To Uranus | Calculate the potential energy per unit mass relative to Uranus |

Potential Energy Per Unit Mass Relative To Neptune | Calculate the potential energy per unit mass relative to Neptune |

Potential Energy Per Unit Mass Relative To Pluto | Calculate the potential energy per unit mass relative to Pluto |

Semi Latus Rectum From Angular Momentum | Calculate the semi-latus-rectum given the angular momentum |

Semi Latus Rectum From Angular Momentum Relative To Mars | Calculate the semi-latus-rectum given the angular momentum relative to Mars |

Semi Latus Rectum From Angular Momentum Relative To Mercury | Calculate the semi-latus-rectum given the angular momentum relative to Mercury |

Semi Latus Rectum From Angular Momentum Relative To Venus | Calculate the semi-latus-rectum given the angular momentum relative to Venus |

Semi Latus Rectum From Angular Momentum Relative To Jupiter | Calculate the semi-latus-rectum given the angular momentum relative to Jupiter |

Semi Latus Rectum From Angular Momentum Relative To Saturn | Calculate the semi-latus-rectum given the angular momentum relative to Saturn |

Semi Latus Rectum From Angular Momentum Relative To Uranus | Calculate the semi-latus-rectum given the angular momentum relative to Uranus |

Semi Latus Rectum From Angular Momentum Relative To Neptune | Calculate the semi-latus-rectum given the angular momentum relative to Neptune |

Semi Latus Rectum From Angular Momentum Relative To Pluto | Calculate the semi-latus-rectum given the angular momentum relative to Pluto |

Radial Velocity of Elliptical Earth Orbit | Calculate the radial velocity in an elliptical earth orbit given the angular momentum, eccentricity, and true anomaly. |

Radial Velocity of Elliptical Mercury Orbit | Calculate the radial velocity in an elliptical Mercury orbit given the angular momentum, eccentricity, and true anomaly. |

Radial Velocity of Elliptical Venus Orbit | Calculate the radial velocity in an elliptical Venus orbit given the angular momentum, eccentricity, and true anomaly. |

Radial Velocity of Elliptical Mars Orbit | Calculate the radial velocity in an elliptical Mars orbit given the angular momentum, eccentricity, and true anomaly. |

Radial Velocity of Elliptical Jupiter Orbit | Calculate the radial velocity in an elliptical Jupiter orbit given the angular momentum, eccentricity, and true anomaly. |

Radial Velocity of Elliptical Saturn Orbit | Calculate the radial velocity in an elliptical Saturn orbit given the angular momentum, eccentricity, and true anomaly. |

Radial Velocity of Elliptical Uranus Orbit | Calculate the radial velocity in an elliptical Uranus orbit given the angular momentum, eccentricity, and true anomaly. |

Radial Velocity of Elliptical Pluto Orbit | Calculate the radial velocity in an elliptical Pluto orbit given the angular momentum, eccentricity, and true anomaly. |

Transverse Velocity of Elliptical Orbit | Calculate the transverse velocity in an elliptical orbit given the angular momentum and the radius of the elliptical orbit. |

Magnitude of the Velocity of Elliptical Orbit | Calculate the magnitude of the velocity from the radial and transverse components of velocity |

Flight Path Angle Elliptical Orbit | Calculate the flight path angle of an elliptical orbit given the radial and transverse velocity |

Flight Path Angle from True Anomaly and Eccentricity in an Elliptical Orbit | Calculate the flight path angle of an elliptical orbit given the true anomaly and the eccentricity |