Simultaneous Nadir Overpasses (SNOs) between AQUA and NPP over region 
TLE Epoch: 2015 9 1.  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)
 09/03/2015   02:41:05   (  18.43, 160.89) 09/03/2015   02:38:46    (  18.17, 159.59)  140.13            139
 09/08/2015   15:09:46   (  22.58, 159.86) 09/08/2015   15:13:14    (  27.42, 158.35)  559.79            208
 09/11/2015   03:29:07   (  13.89, 149.58) 09/11/2015   03:28:03    (  13.54, 148.01)  173.91             64
 09/19/2015   02:40:41   (  18.31, 160.99) 09/19/2015   02:38:24    (  18.03, 159.65)  144.04            137
 09/24/2015   15:09:20   (  22.59, 159.95) 09/24/2015   15:12:48    (  27.69, 158.46)  586.61            208
 09/27/2015   03:28:33   (  13.52, 149.75) 09/27/2015   03:27:35    (  13.18, 148.13)  179.46             58