Simultaneous Nadir Overpasses (SNOs) near US between AQUA and NPP
TLE Epoch: 2018 3 21.  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)
 03/27/2018   07:19:33   (  49.92, -75.99) 03/27/2018   07:19:55    (  50.33, -78.14)  160.12             22
 03/27/2018   08:58:26   (  49.93,-100.71) 03/27/2018   09:01:22    (  50.50,-103.44)  204.60            176
 03/29/2018   18:17:42   (  49.95, -80.18) 03/29/2018   18:10:12    (  49.66, -81.69)  113.28            450
 03/29/2018   19:56:35   (  49.95,-104.90) 03/29/2018   19:51:41    (  49.60,-107.04)  158.53            294
 03/29/2018   21:31:45   (  36.65,-124.99) 03/29/2018   21:29:19    (  36.16,-127.52)  232.67            146