Simultaneous Nadir Overpasses (SNOs) near US between NOAA-19 and NPP
TLE Epoch: 2013 7 31.  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)
 08/03/2013   19:10:45   (  49.95, -93.41) 08/03/2013   19:07:26    (  49.53, -95.95)  189.12            199
 08/03/2013   20:52:50   (  49.99,-118.94) 08/03/2013   20:48:57    (  49.58,-121.35)  179.04            233
 08/04/2013   07:35:09   (  23.87, -84.86) 08/04/2013   07:27:36    (  24.27, -86.69)  191.29            453
 08/04/2013   09:17:48   (  21.86,-110.89) 08/04/2013   09:09:41    (  22.22,-112.59)  179.11            487