Simultaneous Nadir Overpasses (SNOs) near US between AQUA and NPP
TLE Epoch: 2018 7 4.  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)
 07/06/2018   09:24:51   (  20.00,-114.24) 07/06/2018   09:16:31    (  20.02,-114.64)   41.84            500
 07/09/2018   06:30:59   (  45.18, -65.47) 07/09/2018   06:30:38    (  45.52, -67.40)  155.64             21
 07/09/2018   08:08:32   (  49.94, -88.33) 07/09/2018   08:10:43    (  50.42, -90.72)  178.12            131
 07/09/2018   09:47:26   (  49.88,-113.08) 07/09/2018   09:52:12    (  50.47,-116.07)  222.91            286
 07/11/2018   19:06:42   (  49.99, -92.53) 07/11/2018   19:01:00    (  49.65, -94.31)  133.37            342
 07/11/2018   20:45:35   (  49.99,-117.25) 07/11/2018   20:42:28    (  49.54,-119.64)  178.62            187