Simultaneous Nadir Overpasses (SNOs) between AQUA and NPP over region 
TLE Epoch: 2015 8 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)
 08/02/2015   02:40:59   (  17.25, 161.14) 08/02/2015   02:38:59    (  16.97, 159.83)  142.56            120
 08/10/2015   03:29:21   (  13.22, 149.66) 08/10/2015   03:28:28    (  12.91, 148.10)  172.53             53
 08/18/2015   02:41:17   (  18.26, 160.88) 08/18/2015   02:39:01    (  17.96, 159.60)  138.97            136
 08/23/2015   15:10:04   (  22.63, 159.81) 08/23/2015   15:13:33    (  27.42, 158.31)  553.99            209
 08/26/2015   03:29:30   (  14.00, 149.47) 08/26/2015   03:28:24    (  13.65, 147.94)  170.26             66