Simultaneous Nadir Overpasses (SNOs) between AQUA and NPP over region 
TLE Epoch: 2018 4 14.  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   (  22.60, 147.44) 04/17/2018   16:01:37    (  23.25, 144.59)  300.90             86
 04/25/2018   15:10:44   (  22.60, 159.80) 04/25/2018   15:10:55    (  23.17, 157.25)  268.43             11
 05/03/2018   16:00:09   (  22.60, 147.44) 05/03/2018   16:01:40    (  23.24, 144.58)  301.36             91
 05/11/2018   15:10:40   (  22.60, 159.80) 05/11/2018   15:10:57    (  23.19, 157.25)  269.60             17