Simultaneous Nadir Overpasses (SNOs) near US between NOAA-19 and NPP
TLE Epoch: 2013 6 10.  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)
 06/14/2013   18:06:27   (  49.98, -77.67) 06/14/2013   18:03:45    (  49.56, -80.18)  186.58            162
 06/14/2013   19:48:31   (  49.95,-103.17) 06/14/2013   19:45:15    (  49.56,-105.56)  176.74            196
 06/14/2013   21:27:52   (  40.54,-124.98) 06/14/2013   21:24:01    (  40.08,-127.30)  202.92            231
 06/15/2013   08:12:38   (  24.36, -94.47) 06/15/2013   08:05:15    (  24.69, -96.17)  175.68            443
 06/15/2013   09:55:18   (  22.30,-120.52) 06/15/2013   09:47:20    (  22.63,-122.07)  163.31            478