Question:

Kepler's 3rd law relates the semi major axis of an orbit

Last updated: 7/30/2022

Kepler's 3rd law relates the semi major axis of an orbit

Kepler's 3rd law relates the semi major axis of an orbit with its period (the time it takes for the orbiting body to go around a full cycle). When using units of AU for the semi major axis and years for the period, Kepler's 3rd law can be written as (Orbital Period)^2 =(Semi Major Axis)³ or p² = a³ If Halley's Comet swings around the sun every 75 years, what is the semi major axis of its orbit in AU units?