Simultaneous Nadir Overpasses (SNOs) between AQUA and NPP over region 
TLE Epoch: 2018 2 11.  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)
 02/12/2018   15:59:49   (  22.59, 147.49) 02/12/2018   16:01:33    (  23.21, 144.59)  305.28            104
 02/20/2018   15:10:25   (  22.63, 159.87) 02/20/2018   15:10:42    (  23.18, 157.29)  270.65             17
 02/28/2018   15:59:54   (  22.64, 147.52) 02/28/2018   16:01:18    (  23.29, 144.66)  301.34             84
 03/08/2018   15:10:30   (  22.59, 159.88) 03/08/2018   15:10:29    (  23.10, 157.32)  267.41              1