Just press the green flag then fill in the required fields. Hit space to accelerate. Drag the warp bar up to speed up time. It might not look very good but the main thing is the variables on the side. The rocket is not in relation to the earth but all the stats are completely correct and scientific. The moon might be added soon but it won't fit on the frame if the earth stays its current size.
Thanks to Issac McPhee for his "Bedside book of physics" which provided me with the knowledge and facts to start this project. +Added SFX