Simultaneous Nadir Overpasses (SNOs) between AQUA and NPP over region 
TLE Epoch: 2018 4 16.  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)
 04/17/2018   16:00:11   (  22.59, 147.44) 04/17/2018   16:01:37    (  23.23, 144.59)  300.94             86
 04/25/2018   15:10:44   (  22.59, 159.80) 04/25/2018   15:10:55    (  23.14, 157.25)  268.34             11
 05/03/2018   16:00:09   (  22.61, 147.44) 05/03/2018   16:01:39    (  23.26, 144.59)  301.02             90
 05/11/2018   15:10:41   (  22.62, 159.80) 05/11/2018   15:10:57    (  23.19, 157.25)  268.85             16