Simultaneous Nadir Overpasses (SNOs) between AQUA and NPP over region 
TLE Epoch: 2018 2 4.  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)
 02/04/2018   15:10:18   (  22.60, 159.85) 02/04/2018   15:10:55    (  23.16, 157.24)  274.88             37
 02/12/2018   15:59:49   (  22.58, 147.49) 02/12/2018   16:01:32    (  23.25, 144.60)  305.31            103
 02/20/2018   15:10:25   (  22.63, 159.86) 02/20/2018   15:10:41    (  23.21, 157.30)  270.58             16
 02/28/2018   15:59:54   (  22.63, 147.51) 02/28/2018   16:01:18    (  23.26, 144.65)  301.19             84