Simultaneous Nadir Overpasses (SNOs) near US between AQUA and NPP
TLE Epoch: 2018 5 7.  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)
 05/08/2018   19:06:59   (  49.97, -92.53) 05/08/2018   19:01:06    (  49.66, -94.40)  138.33            353
 05/08/2018   20:45:51   (  49.97,-117.25) 05/08/2018   20:42:33    (  49.55,-119.73)  183.61            198
 05/14/2018   07:19:20   (  49.93, -75.99) 05/14/2018   07:20:05    (  50.33, -78.15)  160.54             45
 05/14/2018   08:58:13   (  49.93,-100.71) 05/14/2018   09:01:32    (  50.50,-103.45)  205.01            199
 05/16/2018   18:17:29   (  49.98, -80.17) 05/16/2018   18:10:22    (  49.71, -81.73)  115.79            427
 05/16/2018   19:56:22   (  49.98,-104.89) 05/16/2018   19:51:50    (  49.60,-107.06)  161.03            272
 05/16/2018   21:31:32   (  36.69,-124.99) 05/16/2018   21:29:29    (  36.22,-127.55)  235.21            123