# Hohmann transfer orbit

1. Dec 18, 2003

### tandoorichicken

How do you calculate the period of orbit for an elliptical orbit, ie, a Hohmann transfer?

2. Dec 18, 2003

### enigma

Staff Emeritus
Period is only dependant on the semimajor axis. Eccentricity doesn't matter.

$$P = 2 * \pi * \sqrt{\frac{a^3}{\mu}}$$