http://www.wantscheck.com/PilotSlot...fault.aspxgo there - it has a OM calculator which gives you a 67.3 with the stats that you gave.
Not to be a downer, but that may not be enough. When I was ROTC, I remember the cutoff being in the low 70's.
Have you already applied? Do you have time to improve your stats - PFT, GPA, RSS, PCSM (more hours)? Remember, RSS is half of the OM, so try to do more at your Det if you can. Good luck!