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   (  49.94, -75.99) 05/14/2018   07:20:05    (  50.35, -78.15)  160.47             45
 05/14/2018   08:58:14   (  49.88,-100.73) 05/14/2018   09:01:33    (  50.46,-103.47)  205.31            199
 05/16/2018   18:17:29   (  49.97, -80.17) 05/16/2018   18:10:22    (  49.69, -81.72)  115.81            427
 05/16/2018   19:56:22   (  49.96,-104.89) 05/16/2018   19:51:50    (  49.58,-107.05)  161.06            272
 05/16/2018   21:31:33   (  36.73,-125.00) 05/16/2018   21:29:30    (  36.26,-127.56)  235.14            123
 05/19/2018   09:25:02   (  20.00,-114.25) 05/19/2018   09:16:42    (  19.68,-114.79)   67.68            500