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   (  22.63, 147.40) 07/22/2018   16:01:37    (  23.21, 144.67)  286.74             97
 07/30/2018   15:10:49   (  22.59, 159.68) 07/30/2018   15:10:59    (  23.14, 157.32)  249.06             10
 08/07/2018   16:00:31   (  22.58, 147.25) 08/07/2018   16:01:50    (  23.17, 144.63)  276.57             79
 08/15/2018   15:11:21   (  22.39, 159.50) 08/15/2018   15:11:16    (  22.83, 157.21)  239.94              5