Simultaneous Nadir Overpasses (SNOs) between AQUA and NPP over region 
TLE Epoch: 2015 8 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)
 08/23/2015   15:10:01   (  22.59, 159.82) 08/23/2015   15:13:29    (  27.61, 158.37)  577.45            208
 08/26/2015   03:29:23   (  13.81, 149.54) 08/26/2015   03:28:20    (  13.46, 148.00)  171.44             63
 09/03/2015   02:41:08   (  18.53, 160.85) 09/03/2015   02:38:47    (  18.25, 159.57)  139.53            141
 09/08/2015   15:09:48   (  22.62, 159.86) 09/08/2015   15:13:17    (  27.23, 158.30)  535.97            209
 09/11/2015   03:29:13   (  14.07, 149.52) 09/11/2015   03:28:06    (  13.75, 147.96)  172.44             67