Simultaneous Nadir Overpasses (SNOs) between AQUA and NPP over region 
TLE Epoch: 2015 9 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)
 09/03/2015   02:41:06   (  18.45, 160.88) 09/03/2015   02:38:47    (  18.19, 159.58)  140.16            139
 09/08/2015   15:09:45   (  22.62, 159.88) 09/08/2015   15:13:14    (  27.41, 158.35)  554.65            209
 09/11/2015   03:29:07   (  13.90, 149.57) 09/11/2015   03:28:03    (  13.55, 148.01)  174.02             64
 09/19/2015   02:40:41   (  18.31, 160.99) 09/19/2015   02:38:24    (  18.02, 159.66)  144.20            137
 09/24/2015   15:09:21   (  22.61, 159.95) 09/24/2015   15:12:49    (  27.73, 158.47)  589.18            208
 09/27/2015   03:28:34   (  13.55, 149.74) 09/27/2015   03:27:36    (  13.18, 148.12)  179.73             58