Simultaneous Nadir Overpasses (SNOs) between AQUA and NPP over region 
TLE Epoch: 2015 7 12.  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)
 07/17/2015   02:41:16   (  17.33, 161.08) 07/17/2015   02:39:15    (  17.07, 159.80)  139.21            121
 07/25/2015   03:29:13   (  12.59, 149.81) 07/25/2015   03:28:31    (  12.26, 148.24)  174.48             42
 08/02/2015   02:40:39   (  16.68, 161.31) 08/02/2015   02:38:49    (  16.41, 159.96)  146.82            110