Simultaneous Nadir Overpasses (SNOs) between AQUA and NPP over region 
TLE Epoch: 2013 1 13.  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   15:11:22   (  18.00, 158.70) 01/21/2013   15:10:05    (  18.48, 156.22)  267.08             77
 01/29/2013   15:59:20   (  22.62, 147.47) 01/29/2013   15:59:23    (  23.21, 144.73)  288.12              3
 02/06/2013   15:10:39   (  18.89, 159.03) 02/06/2013   15:09:36    (  19.40, 156.51)  271.19             63