Simultaneous Nadir Overpasses (SNOs) near US between AQUA and NPP
TLE Epoch: 2018 9 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)
 09/11/2018   06:30:40   (  46.62, -65.03) 09/11/2018   06:30:46    (  46.99, -66.87)  146.08              6
 09/11/2018   08:08:38   (  49.88, -88.45) 09/11/2018   08:11:18    (  50.33, -90.82)  175.64            160
 09/11/2018   09:47:31   (  49.88,-113.18) 09/11/2018   09:52:45    (  50.50,-116.12)  220.14            314
 09/13/2018   19:06:44   (  49.94, -92.59) 09/13/2018   19:01:35    (  49.64, -94.38)  132.73            309
 09/13/2018   20:45:37   (  49.94,-117.31) 09/13/2018   20:43:03    (  49.53,-119.70)  178.04            154
 09/16/2018   10:12:20   (  27.03,-124.99) 09/16/2018   10:05:56    (  26.82,-125.66)   70.54            384
 09/19/2018   07:19:02   (  49.92, -76.05) 09/19/2018   07:20:38    (  50.31, -78.14)  155.61             96
 09/19/2018   08:57:55   (  49.92,-100.77) 09/19/2018   09:02:05    (  50.48,-103.44)  200.14            250