Simultaneous Nadir Overpasses (SNOs) near US between AQUA and NPP
TLE Epoch: 2018 1 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)
 01/14/2018   06:30:32   (  46.30, -65.03) 01/14/2018   06:30:35    (  46.71, -67.09)  164.04              3
 01/14/2018   08:08:24   (  49.92, -88.31) 01/14/2018   08:11:00    (  50.45, -90.87)  191.13            156
 01/14/2018   09:47:17   (  49.93,-113.03) 01/14/2018   09:52:28    (  50.55,-116.19)  235.48            311
 01/16/2018   19:06:35   (  49.99, -92.56) 01/16/2018   19:01:17    (  49.69, -94.45)  140.02            318
 01/16/2018   20:45:28   (  49.99,-117.28) 01/16/2018   20:42:45    (  49.58,-119.78)  185.29            163
 01/19/2018   10:12:21   (  26.59,-125.00) 01/19/2018   10:05:50    (  25.90,-125.98)  123.70            391