Simultaneous Nadir Overpasses (SNOs) between AQUA and NPP over region 
TLE Epoch: 2018 2 25.  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)
 02/28/2018   15:59:57   (  22.59, 147.50) 02/28/2018   16:01:19    (  23.21, 144.64)  300.38             82
 03/08/2018   15:10:38   (  22.38, 159.81) 03/08/2018   15:10:33    (  22.90, 157.28)  266.41              5
 03/16/2018   16:00:03   (  22.61, 147.52) 03/16/2018   16:01:05    (  23.21, 144.70)  296.32             62
 03/24/2018   15:11:00   (  21.26, 159.57) 03/24/2018   15:10:37    (  21.76, 157.05)  266.52             23