Simultaneous Nadir Overpasses (SNOs) between AQUA and NPP over region 
TLE Epoch: 2018 3 13.  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)
 03/16/2018   16:00:08   (  22.59, 147.47) 03/16/2018   16:01:27    (  23.20, 144.61)  300.73             79
 03/24/2018   15:10:45   (  22.69, 159.84) 03/24/2018   15:10:45    (  23.21, 157.29)  267.71              0
 04/01/2018   16:00:17   (  22.61, 147.45) 04/01/2018   16:01:32    (  23.26, 144.60)  300.60             75
 04/09/2018   15:10:54   (  22.64, 159.81) 04/09/2018   15:10:53    (  23.11, 157.24)  268.62              1