Simultaneous Nadir Overpasses (SNOs) between AQUA and NPP over region 
TLE Epoch: 2018 4 19.  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)
 04/25/2018   15:10:44   (  22.58, 159.79) 04/25/2018   15:10:55    (  23.14, 157.25)  268.45             11
 05/03/2018   16:00:09   (  22.63, 147.45) 05/03/2018   16:01:40    (  23.26, 144.59)  301.15             91
 05/11/2018   15:10:40   (  22.61, 159.81) 05/11/2018   15:10:57    (  23.18, 157.25)  269.34             17