Simultaneous Nadir Overpasses (SNOs) near US between AQUA and NPP
TLE Epoch: 2018 5 23.  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)
 05/24/2018   19:06:51   (  49.94, -92.51) 05/24/2018   19:01:05    (  49.59, -94.36)  138.54            346
 05/24/2018   20:45:45   (  50.00,-117.25) 05/24/2018   20:42:35    (  49.59,-119.73)  183.71            190
 05/30/2018   07:19:14   (  49.91, -75.99) 05/30/2018   07:20:05    (  50.32, -78.14)  160.32             51
 05/30/2018   08:58:07   (  49.91,-100.71) 05/30/2018   09:01:33    (  50.43,-103.47)  204.81            206
 06/01/2018   18:17:23   (  49.94, -80.15) 06/01/2018   18:10:21    (  49.67, -81.70)  115.16            422
 06/01/2018   19:56:17   (  50.00,-104.90) 06/01/2018   19:51:50    (  49.62,-107.05)  160.33            267
 06/01/2018   21:31:27   (  36.70,-124.99) 06/01/2018   21:29:29    (  36.24,-127.54)  234.32            118