Simultaneous Nadir Overpasses (SNOs) between AQUA and NPP over region 
TLE Epoch: 2015 8 10.  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)
 08/18/2015   02:41:11   (  18.07, 160.94) 08/18/2015   02:38:58    (  17.82, 159.64)  139.76            133
 08/23/2015   15:09:59   (  22.61, 159.83) 08/23/2015   15:13:28    (  27.64, 158.37)  577.80            209
 08/26/2015   03:29:19   (  13.72, 149.57) 08/26/2015   03:28:18    (  13.38, 148.01)  172.22             61
 09/03/2015   02:40:59   (  18.27, 160.93) 09/03/2015   02:38:43    (  18.01, 159.62)  141.55            136