Simultaneous Nadir Overpasses (SNOs) between AQUA and NPP over region 
TLE Epoch: 2018 5 13.  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)
 05/19/2018   15:59:51   (  22.61, 147.48) 05/19/2018   16:01:41    (  23.24, 144.59)  304.39            110
 05/27/2018   15:10:19   (  22.62, 159.86) 05/27/2018   15:10:57    (  23.18, 157.27)  272.54             38
 06/04/2018   15:59:40   (  22.62, 147.51) 06/04/2018   16:01:41    (  23.27, 144.61)  306.10            121