Simultaneous Nadir Overpasses (SNOs) between AQUA and NPP over region 
TLE Epoch: 2015 4 29.  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)
 05/03/2015   15:11:03   (  22.59, 159.74) 05/03/2015   15:14:31    (  27.31, 158.42)  541.59            208
 05/06/2015   03:30:31   (  14.20, 149.38) 05/06/2015   03:29:22    (  13.89, 148.04)  148.43             69
 05/14/2015   02:42:16   (  19.14, 160.65) 05/14/2015   02:39:45    (  18.89, 159.58)  115.44            151
 05/19/2015   15:10:41   (  22.61, 159.80) 05/19/2015   15:14:10    (  26.55, 158.30)  463.41            209
 05/22/2015   03:30:13   (  14.68, 149.34) 05/22/2015   03:28:56    (  14.40, 148.00)  147.80             77