Simultaneous Nadir Overpasses (SNOs) near US between NOAA-19 and NPP
TLE Epoch: 2012 5 16.  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)
 05/16/2012   06:30:23   (  32.43, -68.86) 05/16/2012   06:27:01    (  32.69, -70.24)  132.23            202
 05/16/2012   08:11:22   (  36.28, -93.22) 05/16/2012   08:07:25    (  36.53, -94.47)  114.67            237
 05/16/2012   09:54:02   (  34.27,-119.36) 05/16/2012   09:49:30    (  34.48,-120.46)  103.77            272
 05/16/2012   17:57:43   (  50.00, -77.00) 05/16/2012   17:50:22    (  49.98, -77.15)   11.11            441
 05/16/2012   19:39:34   (  49.18,-102.15) 05/16/2012   19:31:38    (  49.19,-102.17)    1.83            476