Simultaneous Nadir Overpasses (SNOs) near US between NOAA-19 and NPP
TLE Epoch: 2013 8 29.  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)
 08/29/2013   08:06:35   (  25.23, -92.29) 08/29/2013   07:59:27    (  25.62, -94.33)  209.28            428
 08/29/2013   09:49:14   (  23.21,-118.33) 08/29/2013   09:41:31    (  23.63,-120.21)  197.72            463