Simultaneous Nadir Overpasses (SNOs) near US between AQUA and NPP
TLE Epoch: 2018 7 9.  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)
 07/11/2018   19:06:41   (  49.98, -92.53) 07/11/2018   19:01:00    (  49.69, -94.33)  133.41            341
 07/11/2018   20:45:34   (  49.98,-117.24) 07/11/2018   20:42:28    (  49.58,-119.66)  178.66            186
 07/17/2018   07:19:04   (  49.90, -75.99) 07/17/2018   07:19:58    (  50.30, -78.07)  155.04             54
 07/17/2018   08:57:57   (  49.91,-100.71) 07/17/2018   09:01:25    (  50.46,-103.37)  199.53            208
 07/19/2018   18:17:13   (  50.00, -80.17) 07/19/2018   18:10:14    (  49.72, -81.64)  109.87            419
 07/19/2018   19:56:06   (  49.99,-104.89) 07/19/2018   19:51:42    (  49.61,-106.96)  155.06            264