Simultaneous Nadir Overpasses (SNOs) between AQUA and NPP over region 
TLE Epoch: 2015 5 2.  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   (  22.60, 159.74) 05/03/2015   15:14:31    (  27.68, 158.49)  579.49            208
 05/06/2015   03:30:21   (  13.56, 149.51) 05/06/2015   03:29:23    (  13.25, 148.14)  153.11             58
 05/14/2015   02:41:54   (  17.57, 160.99) 05/14/2015   02:39:49    (  17.33, 159.83)  126.10            125
 05/22/2015   03:29:42   (  12.36, 149.83) 05/22/2015   03:29:03    (  12.02, 148.36)  164.21             39