Simultaneous Nadir Overpasses (SNOs) between AQUA and NPP over region 
TLE Epoch: 2017 6 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)
 06/25/2017   15:09:40   (  22.63, 159.86) 06/25/2017   15:10:48    (  23.19, 157.34)  265.63             68
 06/28/2017   03:31:30   (  22.70, 147.53) 06/28/2017   03:28:00    (  25.99, 145.01)  446.61            210
 07/03/2017   15:59:00   (  22.63, 147.52) 07/03/2017   16:01:30    (  23.25, 144.68)  299.02            150
 07/11/2017   15:09:26   (  22.63, 159.90) 07/11/2017   15:10:44    (  23.20, 157.36)  267.74             78
 07/14/2017   03:31:14   (  22.65, 147.59) 07/14/2017   03:27:45    (  25.35, 145.20)  386.32            209