Simultaneous Nadir Overpasses (SNOs) between AQUA and NPP over region 
TLE Epoch: 2018 7 19.  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   (  22.61, 147.39) 07/22/2018   16:01:37    (  23.20, 144.67)  286.82             97
 07/30/2018   15:10:49   (  22.63, 159.69) 07/30/2018   15:11:00    (  23.14, 157.32)  249.06             11
 08/07/2018   16:00:30   (  22.61, 147.26) 08/07/2018   16:01:50    (  23.18, 144.63)  276.82             80
 08/15/2018   15:11:20   (  22.40, 159.50) 08/15/2018   15:11:16    (  22.88, 157.22)  240.48              4