Simultaneous Nadir Overpasses (SNOs) near US between AQUA and NPP
TLE Epoch: 2018 4 8.  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)
 04/12/2018   07:19:36   (  49.92, -76.02) 04/12/2018   07:20:00    (  50.31, -78.17)  158.97             24
 04/12/2018   08:58:29   (  49.92,-100.74) 04/12/2018   09:01:27    (  50.47,-103.47)  203.40            178
 04/14/2018   18:17:46   (  49.99, -80.21) 04/14/2018   18:10:17    (  49.69, -81.72)  112.96            449
 04/14/2018   19:56:39   (  49.98,-104.93) 04/14/2018   19:51:45    (  49.58,-107.05)  158.18            294
 04/14/2018   21:31:47   (  36.57,-124.99) 04/14/2018   21:29:22    (  36.09,-127.51)  232.10            145
 04/17/2018   09:25:22   (  20.00,-114.29) 04/17/2018   09:17:02    (  18.29,-115.14)  210.39            500