Simultaneous Nadir Overpasses (SNOs) near US between AQUA and NPP
TLE Epoch: 2018 4 11.  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   (  49.93, -76.02) 04/12/2018   07:20:00    (  50.32, -78.16)  158.90             24
 04/12/2018   08:58:29   (  49.94,-100.74) 04/12/2018   09:01:27    (  50.49,-103.46)  203.32            178
 04/14/2018   18:17:46   (  49.98, -80.21) 04/14/2018   18:10:17    (  49.68, -81.72)  113.00            449
 04/14/2018   19:56:39   (  49.97,-104.93) 04/14/2018   19:51:46    (  49.63,-107.07)  158.22            293
 04/14/2018   21:31:47   (  36.56,-124.99) 04/14/2018   21:29:22    (  36.08,-127.51)  232.15            145
 04/17/2018   09:25:22   (  20.00,-114.28) 04/17/2018   09:17:02    (  18.30,-115.13)  209.36            500
 04/20/2018   06:31:56   (  43.61, -66.07) 04/20/2018   06:31:07    (  43.96, -68.08)  165.82             49
 04/20/2018   08:09:03   (  49.91, -88.39) 04/20/2018   08:10:45    (  50.41, -90.81)  181.13            102
 04/20/2018   09:47:56   (  49.92,-113.11) 04/20/2018   09:52:13    (  50.52,-116.14)  225.52            257