Chamandepastel

It only happens with certain rockets, but what I do is I burn 45 degrees east at 10km and then when the apoapsis is at 90km I stop and wait. I burn horizontally, but the periapsis opens up really really slow and I end up burning a whole lot of fuel and the periapsis ends up at around 60km at most. The apoapsis on the other hand gets huge to like 500km and sometimes shoots me into the suns orbit. What am I doing wrong here?