Simultaneous Nadir Overpasses (SNOs) between AQUA and NPP over region 
TLE Epoch: 2017 6 21.  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   (  22.61, 159.85) 06/25/2017   15:10:48    (  23.17, 157.33)  265.67             68
 06/28/2017   03:31:29   (  22.65, 147.54) 06/28/2017   03:28:00    (  26.01, 145.01)  453.54            209
 07/03/2017   15:59:00   (  22.63, 147.52) 07/03/2017   16:01:30    (  23.24, 144.67)  298.93            150
 07/11/2017   15:09:28   (  22.59, 159.89) 07/11/2017   15:10:45    (  23.18, 157.36)  267.58             77
 07/14/2017   03:31:15   (  22.68, 147.58) 07/14/2017   03:27:46    (  25.43, 145.18)  391.61            209