Simultaneous Nadir Overpasses (SNOs) near US between NOAA-19 and NPP
TLE Epoch: 2014 1 7.  Predictions up to the next  10.0 days:

Date(NOAA-19)     Time(NOAA-19)   NOAA-19 Lat/Lon   Date(NPP)     Time(NPP)    NPP Lat/Lon    Distance (km)   Time Diff(sec)
 01/14/2014   18:00:13   (  49.94, -74.50) 01/14/2014   17:54:07    (  49.54, -77.01)  186.17            366
 01/14/2014   19:42:18   (  50.00,-100.04) 01/14/2014   19:35:38    (  49.60,-102.41)  176.07            400
 01/14/2014   21:24:00   (  48.74,-124.99) 01/14/2014   21:16:46    (  48.33,-127.24)  171.44            434