IPS burns 1 and 2 occur at perigee. IPS burns 3,4, and 5 occur at apogee. IPS 2 burn set for July 26 at 01:47 UT http://www1.msfc.nasa.gov/NEWSROOM/news/status/chandrastatus/chandrastatus32.html or go to the links provided at: http://www2.satellite.eu.org/shuttle.html Jeff jhunt@radix.net