Simultaneous Nadir Overpasses (SNOs) near US between AQUA and NPP
TLE Epoch: 2018 6 12.  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)
 06/15/2018   07:19:10   (  49.90, -75.99) 06/15/2018   07:20:04    (  50.33, -78.12)  159.27             54
 06/15/2018   08:58:03   (  49.90,-100.71) 06/15/2018   09:01:32    (  50.44,-103.44)  203.75            209
 06/17/2018   18:17:19   (  49.98, -80.16) 06/17/2018   18:10:21    (  49.73, -81.70)  114.13            418
 06/17/2018   19:56:12   (  49.97,-104.88) 06/17/2018   19:51:49    (  49.62,-107.03)  159.34            263
 06/17/2018   21:31:23   (  36.73,-124.99) 06/17/2018   21:29:28    (  36.24,-127.52)  232.95            115
 06/20/2018   09:24:52   (  20.06,-114.22) 06/20/2018   09:16:33    (  20.13,-114.64)   45.03            499