Simultaneous Nadir Overpasses (SNOs) between AQUA and NPP over region 
TLE Epoch: 2018 2 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)
 02/20/2018   15:10:26   (  22.62, 159.86) 02/20/2018   15:10:42    (  23.16, 157.29)  270.22             16
 02/28/2018   15:59:57   (  22.60, 147.50) 02/28/2018   16:01:19    (  23.21, 144.64)  300.36             82
 03/08/2018   15:10:38   (  22.39, 159.82) 03/08/2018   15:10:33    (  22.90, 157.28)  266.33              5
 03/16/2018   16:00:03   (  22.62, 147.52) 03/16/2018   16:01:04    (  23.25, 144.71)  296.06             61