Simultaneous Nadir Overpasses (SNOs) between AQUA and NPP over region 
TLE Epoch: 2015 9 7.  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)
 09/08/2015   15:09:53   (  22.60, 159.84) 09/08/2015   15:13:21    (  27.02, 158.25)  517.81            208
 09/11/2015   03:29:27   (  14.49, 149.40) 09/11/2015   03:28:13    (  14.18, 147.86)  169.40             74
 09/19/2015   02:41:25   (  19.60, 160.60) 09/19/2015   02:38:47    (  19.36, 159.34)  134.97            158
 09/24/2015   15:09:50   (  22.63, 159.84) 09/24/2015   15:13:19    (  25.91, 157.99)  409.68            209
 09/27/2015   03:29:40   (  15.48, 149.17) 09/27/2015   03:28:10    (  15.19, 147.66)  165.42             90