The crew of space shuttle Discovery went to sleep at 3:21 p.m. EDT. Crew wakeup is at 11:21 p.m. Weather permitting, Discovery is scheduled to land at Kennedy Space Center’s shuttle landing facility Tuesday at 7:34 a.m., 40 minutes after sunrise. The second landing opportunity at Kennedy is at 9:08 a.m.
Edwards Air Force Base in California is expected to be called up as a possible landing site. The first landing opportunity at Edwards is at 9:01 a.m.