Kepler's Third Law Calculator
Period from Semi-Major Axis: - days
Semi-Major Axis from Period: - AU
Orbital Velocity: - km/s
Understanding Kepler's Laws
Kepler's Third Law
The square of the orbital period is directly proportional to the cube of the semi-major axis.
T² = (4π²/GM) × a³
where:
- T = orbital period
- G = gravitational constant
- M = central body mass
- a = semi-major axis
Advanced Orbital Mechanics
- Elliptical Orbits
- Orbital Elements
- Angular Momentum
- Escape Velocity
- Orbital Energy
- Hohmann Transfers
- Lagrange Points
- Perturbation Theory
- Orbital Resonance
- N-body Problems
- Tidal Forces
- Orbital Precession
Applications in Astronomy
Solar System
Planetary orbits
Binary Stars
Stellar dynamics
Exoplanets
Detection methods
Space Flight
Mission planning
Satellites
Orbital mechanics
Celestial Bodies
Motion analysis