Simultaneous Nadir Overpasses (SNOs) between AQUA and NPP over region 
TLE Epoch: 2015 9 20.  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)
 09/24/2015   15:09:49   (  22.59, 159.84) 09/24/2015   15:13:17    (  25.99, 158.02)  420.12            208
 09/27/2015   03:29:37   (  15.40, 149.20) 09/27/2015   03:28:08    (  15.11, 147.69)  165.85             89
 10/05/2015   02:41:23   (  20.22, 160.49) 10/05/2015   02:38:34    (  19.96, 159.24)  133.42            169
 10/10/2015   15:09:34   (  22.63, 159.89) 10/10/2015   15:13:03    (  25.48, 157.94)  373.64            209
 10/13/2015   03:29:28   (  15.85, 149.15) 10/13/2015   03:27:52    (  15.52, 147.64)  166.14             96