Well, that would be a fictional scenario since the ATDA was only flown once and Gemini IX was unable to dock because the launch shroud never jettisoned, but I wouldn't think it would be much different from an Agena docking flight...except the ATDA had no propulsion system (in reality, it was an adapted Gemini nose-cone with an Agena docking collar bolted on).
The last I heard from 80mileshigh, he'd done the ATDA for Rob with the next Gemini version in mind. I don't know...that may be why he never released it on his own. He does some really (as the astronauts might say) "$hit-hot" work though. His ATDA model is gorgeous.
Wish I could say the same for my Atlas job. I know I based it on another add-on...I want to say it was Ranger, but I don't remember for sure, but my cfg will allow you to fly it into orbit manually ( a pretty hairy ride though
), but it's really just best for hitting the launch buttons and watching it lift off. I set up the docking scenario with the ATDA already in orbit. Not a perfect solution, but it sure looks :speakcool:.