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)
 09/13/2018   19:06:44   (  49.95, -92.59) 09/13/2018   19:01:35    (  49.65, -94.38)  132.74            309
 09/13/2018   20:45:37   (  49.95,-117.31) 09/13/2018   20:43:03    (  49.54,-119.71)  178.05            154
 09/16/2018   10:12:20   (  27.02,-124.99) 09/16/2018   10:05:56    (  26.82,-125.66)   70.25            384
 09/19/2018   07:19:02   (  49.91, -76.05) 09/19/2018   07:20:38    (  50.31, -78.15)  155.77             96
 09/19/2018   08:57:55   (  49.91,-100.77) 09/19/2018   09:02:06    (  50.42,-103.47)  200.32            251
 09/21/2018   18:17:09   (  49.99, -80.22) 09/21/2018   18:10:56    (  49.73, -81.74)  112.67            373