Simultaneous Nadir Overpasses (SNOs) near US between AQUA and NPP
TLE Epoch: 2018 5 9.  Predictions up to the next  10.0 days:

Date(AQUA)     Time(AQUA)   AQUA Lat/Lon   Date(NPP)     Time(NPP)    NPP Lat/Lon    Distance (km)   Time Diff(sec)
 05/14/2018   07:19:20   (  49.93, -75.99) 05/14/2018   07:20:05    (  50.34, -78.15)  160.50             45
 05/14/2018   08:58:13   (  49.93,-100.71) 05/14/2018   09:01:32    (  50.51,-103.45)  204.96            199
 05/16/2018   18:17:29   (  49.97, -80.17) 05/16/2018   18:10:22    (  49.70, -81.73)  115.79            427
 05/16/2018   19:56:22   (  49.97,-104.89) 05/16/2018   19:51:50    (  49.59,-107.05)  161.03            272
 05/16/2018   21:31:32   (  36.68,-124.98) 05/16/2018   21:29:29    (  36.22,-127.55)  235.21            123