Simultaneous Nadir Overpasses (SNOs) between AQUA and NPP over region 
TLE Epoch: 2015 5 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)
 05/14/2015   02:41:50   (  17.49, 161.02) 05/14/2015   02:39:47    (  17.25, 159.85)  126.89            123
 05/22/2015   03:29:23   (  11.85, 149.98) 05/22/2015   03:28:53    (  11.51, 148.48)  168.02             30
 05/30/2015   02:40:14   (  14.72, 161.82) 05/30/2015   02:38:56    (  14.47, 160.46)  148.78             78
 06/01/2015   16:21:18   (  10.04, 140.16) 06/01/2015   16:17:49    (   5.64, 138.84)  511.34            209
 06/07/2015   03:27:44   (  10.07, 150.63) 06/07/2015   03:28:17    (   9.70, 148.86)  198.64             33