Simultaneous Nadir Overpasses (SNOs) near US between AQUA and NPP
TLE Epoch: 2018 7 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)
 07/17/2018   07:19:16   (  49.92, -76.03) 07/17/2018   07:19:58    (  50.30, -78.07)  151.49             42
 07/17/2018   08:58:09   (  49.93,-100.75) 07/17/2018   09:01:25    (  50.46,-103.37)  195.87            196
 07/19/2018   18:17:31   (  50.00, -80.24) 07/19/2018   18:10:15    (  49.77, -81.66)  104.70            436
 07/19/2018   19:56:24   (  49.98,-104.96) 07/19/2018   19:51:42    (  49.61,-106.96)  149.83            282
 07/19/2018   21:31:30   (  36.50,-124.99) 07/19/2018   21:29:17    (  36.05,-127.40)  221.32            133