One can use a Hohmann transfer to move a spacecraft from a low-altitude circular orbit to a higher-altitude circular orbit by increasing the speed with the first burn to create an elliptical orbit wit...One can use a Hohmann transfer to move a spacecraft from a low-altitude circular orbit to a higher-altitude circular orbit by increasing the speed with the first burn to create an elliptical orbit with the desired apogee, then circularizing the orbit with the second burn.
