Simultaneous Nadir Overpasses (SNOs) near US between AQUA and NPP
TLE Epoch: 2018 7 13.  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   07:19:15   (  49.93, -76.02) 07/17/2018   07:19:57    (  50.31, -78.06)  151.43             42
 07/17/2018   08:58:09   (  49.88,-100.77) 07/17/2018   09:01:25    (  50.42,-103.39)  196.15            196
 07/19/2018   18:17:30   (  49.98, -80.24) 07/19/2018   18:10:14    (  49.76, -81.65)  104.68            436
 07/19/2018   19:56:23   (  49.97,-104.95) 07/19/2018   19:51:41    (  49.59,-106.96)  149.83            282
 07/19/2018   21:31:30   (  36.48,-124.99) 07/19/2018   21:29:17    (  36.04,-127.40)  221.33            133
 07/22/2018   09:25:11   (  20.01,-114.33) 07/22/2018   09:16:50    (  18.66,-114.93)  162.81            501