Matt Wilson wrote:
Agreed on all points so far. Except as far as I know once you've done your burn to get orbital velocity, you don't need constant thrust to get the exact orbit you want.
That's right. The typical thing is to do a burn to get into an orbit tangential with the one you want to be in, then coast for a while, then do another burn at the point/time of tangency. Though things can be a little more complicated if you need to change inclination.
That can very easily require 44 minutes of coasting from perigee to apogee of an orbit to gain altitude, or even more, if you don't have delta-vee to spare, and are doing Hohmann transfer orbits. But only a handful of minutes of total burn time.