Simultaneous Nadir Overpasses (SNOs) between AQUA and NPP over region 
TLE Epoch: 2018 7 18.  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   (  22.62, 147.40) 07/22/2018   16:01:37    (  23.21, 144.67)  286.80             97
 07/30/2018   15:10:49   (  22.59, 159.68) 07/30/2018   15:11:00    (  23.09, 157.31)  249.17             11
 08/07/2018   16:00:30   (  22.64, 147.26) 08/07/2018   16:01:49    (  23.23, 144.64)  276.49             79