Hohmann Transfer

A Hohmann transfer orbit is a type of elliptical orbit used to transfer a spacecraft from one circular orbit to another by using a minimum amount of propellant. It is named after Walter Hohmann, a German engineer who first described the technique in 1925.

Earth Ending Degree
Delta V12,942 m/s
Earth Orbit Velocity 30 km/s
Mars Starting Degree
Delta V22,657 m/s
Mars Orbit Velocity 24 km/s
Semi Major Axis188,760,000 km
Hohmann Orbit Velocity27 km/s
Total Delta V5,598 m/s
Travel Time259 days

Day 1