Simultaneous Nadir Overpasses (SNOs) between AQUA and NPP over region 
TLE Epoch: 2013 1 17.  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)
 01/21/2013   15:11:13   (  18.42, 158.80) 01/21/2013   15:10:02    (  18.94, 156.31)  269.09             71
 01/29/2013   15:59:12   (  22.60, 147.50) 01/29/2013   15:59:34    (  23.25, 144.69)  296.87             22
 02/06/2013   15:09:43   (  21.15, 159.64) 02/06/2013   15:09:18    (  21.65, 156.98)  281.09             25