Simultaneous Nadir Overpasses (SNOs) between AQUA and NPP over region 
TLE Epoch: 2012 6 23.  Predictions up to the next  30.0 days:

Date(AQUA)     Time(AQUA)   AQUA Lat/Lon   Date(NPP)     Time(NPP)    NPP Lat/Lon    Distance (km)   Time Diff(sec)
 06/27/2012   15:11:12   (  18.90, 158.90) 06/27/2012   15:10:09    (  19.41, 156.39)  269.82             63
 07/05/2012   16:01:30   (  19.30, 146.38) 07/05/2012   16:00:34    (  19.82, 143.85)  271.47             56
 07/11/2012   03:12:48   (  12.71, 153.81) 07/11/2012   03:15:33    (  11.93, 150.09)  413.25            165
 07/13/2012   15:16:22   (  10.03, 156.22) 07/13/2012   15:12:53    (   8.17, 153.86)  331.45            209
 07/19/2012   02:28:25   (  22.68, 163.31) 07/19/2012   02:27:27    (  22.12, 160.40)  305.77             58
 07/19/2012   04:04:44   (  13.30, 140.72) 07/19/2012   04:06:14    (  12.56, 137.31)  378.96             90