Simultaneous Nadir Overpasses (SNOs) between AQUA and NPP over region 
TLE Epoch: 2015 7 13.  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   02:41:15   (  17.32, 161.09) 07/17/2015   02:39:14    (  17.05, 159.81)  139.25            121
 07/25/2015   03:29:11   (  12.50, 149.83) 07/25/2015   03:28:30    (  12.18, 148.26)  174.74             41
 08/02/2015   02:40:37   (  16.64, 161.33) 08/02/2015   02:38:48    (  16.34, 159.98)  147.46            109
 08/10/2015   03:28:15   (  11.34, 150.21) 08/10/2015   03:27:53    (  10.98, 148.54)  186.22             22