I like your fundamentals, especially not losing own's balance. Thank you for the step-by-step basics. I can imagine that. Nice C-steps!
So, where is your position when taking uke's head? 45 degree behind uke? Or on uke's side?
I'm not exactly sure, it really is different depending on how uke is coming in.
I tend to be more on the side or just behind, like you suggest. But I've even been in front sometimes. So long as uke's balance is compromised and I have their center, I'm happy.