Simultaneous Nadir Overpasses (SNOs) near US between AQUA and NPP
TLE Epoch: 2018 4 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)
 04/14/2018   18:17:46   (  49.99, -80.22) 04/14/2018   18:10:17    (  49.70, -81.72)  112.96            449
 04/14/2018   19:56:39   (  49.99,-104.94) 04/14/2018   19:51:46    (  49.64,-107.07)  158.17            293
 04/14/2018   21:31:47   (  36.58,-124.99) 04/14/2018   21:29:22    (  36.09,-127.51)  232.10            145
 04/17/2018   09:25:21   (  20.05,-114.27) 04/17/2018   09:17:01    (  18.34,-115.12)  209.49            500
 04/20/2018   06:31:56   (  43.66, -66.06) 04/20/2018   06:31:07    (  44.00, -68.06)  165.62             49
 04/20/2018   08:09:03   (  49.90, -88.40) 04/20/2018   08:10:45    (  50.40, -90.82)  181.21            102
 04/20/2018   09:47:56   (  49.90,-113.12) 04/20/2018   09:52:13    (  50.51,-116.14)  225.61            257
 04/22/2018   19:07:12   (  49.97, -92.57) 04/22/2018   19:01:03    (  49.67, -94.40)  135.50            369