Simultaneous Nadir Overpasses (SNOs) between AQUA and NPP over region 
TLE Epoch: 2018 7 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)
 07/22/2018   16:00:00   (  22.63, 147.40) 07/22/2018   16:01:37    (  23.21, 144.67)  286.74             97
 07/30/2018   15:10:49   (  22.60, 159.68) 07/30/2018   15:10:59    (  23.13, 157.32)  248.92             10
 08/07/2018   16:00:31   (  22.61, 147.25) 08/07/2018   16:01:49    (  23.21, 144.64)  276.18             78
 08/15/2018   15:11:23   (  22.33, 159.48) 08/15/2018   15:11:17    (  22.75, 157.19)  239.61              6