Simultaneous Nadir Overpasses (SNOs) between AQUA and NPP over region 
TLE Epoch: 2018 2 10.  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   15:59:48   (  22.60, 147.50) 02/12/2018   16:01:32    (  23.22, 144.59)  305.24            104
 02/20/2018   15:10:26   (  22.58, 159.86) 02/20/2018   15:10:43    (  23.13, 157.28)  270.82             17
 02/28/2018   15:59:55   (  22.59, 147.50) 02/28/2018   16:01:19    (  23.24, 144.65)  301.53             84
 03/08/2018   15:10:30   (  22.60, 159.88) 03/08/2018   15:10:29    (  23.11, 157.33)  267.40              1