Simultaneous Nadir Overpasses (SNOs) between AQUA and NPP over region 
TLE Epoch: 2015 8 9.  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)
 08/10/2015   03:29:20   (  13.25, 149.66) 08/10/2015   03:28:27    (  12.91, 148.10)  172.70             53
 08/18/2015   02:41:12   (  18.11, 160.93) 08/18/2015   02:38:58    (  17.81, 159.65)  139.70            134
 08/23/2015   15:09:59   (  22.63, 159.83) 08/23/2015   15:13:28    (  27.64, 158.38)  575.74            209
 08/26/2015   03:29:19   (  13.70, 149.57) 08/26/2015   03:28:18    (  13.38, 148.01)  172.03             61
 09/03/2015   02:40:59   (  18.30, 160.92) 09/03/2015   02:38:42    (  18.04, 159.62)  141.14            137