Simultaneous Nadir Overpasses (SNOs) near US between AQUA and NPP
TLE Epoch: 2018 8 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)
 08/18/2018   07:19:36   (  49.90, -76.16) 08/18/2018   07:20:21    (  50.26, -78.14)  146.73             45
 08/18/2018   08:58:29   (  49.90,-100.88) 08/18/2018   09:01:48    (  50.43,-103.44)  191.27            199
 08/20/2018   18:17:43   (  49.97, -80.31) 08/20/2018   18:10:39    (  49.74, -81.71)  103.54            424
 08/20/2018   19:56:35   (  49.97,-105.03) 08/20/2018   19:52:06    (  49.63,-107.04)  148.75            269
 08/20/2018   21:31:37   (  36.20,-124.99) 08/20/2018   21:29:36    (  35.73,-127.36)  220.22            121