Simultaneous Nadir Overpasses (SNOs) between AQUA and NPP over region 
TLE Epoch: 2015 7 14.  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)
 07/17/2015   02:41:16   (  17.34, 161.08) 07/17/2015   02:39:15    (  17.07, 159.80)  139.23            121
 07/25/2015   03:29:12   (  12.56, 149.82) 07/25/2015   03:28:30    (  12.20, 148.25)  174.63             42
 08/02/2015   02:40:37   (  16.61, 161.33) 08/02/2015   02:38:48    (  16.35, 159.98)  147.19            109
 08/10/2015   03:28:18   (  11.44, 150.18) 08/10/2015   03:27:55    (  11.09, 148.52)  185.74             23