A two minute travel time is ridiculous. Even light takes more than a second to reach us from the moon. The lunar orbit->earth delta-v is 4.8km/s. I didn't chec

A two minute travel time is ridiculous. Even light takes more than a second to reach us from the moon. The lunar orbit->earth delta-v is 4.8km/s. I didn't check your other numbers but they seem to be off by a factor 1000 too.