Simultaneous Nadir Overpasses (SNOs) near US between NOAA-19 and NPP
TLE Epoch: 2013 6 9.  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   18:06:26   (  49.96, -77.66) 06/14/2013   18:03:44    (  49.54, -80.17)  186.66            162
 06/14/2013   19:48:31   (  49.99,-103.19) 06/14/2013   19:45:15    (  49.60,-105.58)  176.56            196
 06/14/2013   21:27:52   (  40.58,-125.00) 06/14/2013   21:24:01    (  40.12,-127.32)  202.78            231
 06/15/2013   08:12:39   (  24.32, -94.48) 06/15/2013   08:05:16    (  24.65, -96.18)  175.72            443
 06/15/2013   09:55:18   (  22.31,-120.52) 06/15/2013   09:47:20    (  22.65,-122.06)  163.30            478