Simultaneous Nadir Overpasses (SNOs) near US between NOAA-19 and NPP
TLE Epoch: 2013 8 20.  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)
 08/28/2013   18:00:33   (  49.96, -75.69) 08/28/2013   17:58:10    (  49.48, -78.55)  212.25            143
 08/28/2013   19:42:38   (  50.00,-101.23) 08/28/2013   19:39:41    (  49.54,-103.95)  202.14            177
 08/28/2013   21:23:30   (  45.86,-124.98) 08/28/2013   21:19:59    (  45.39,-127.61)  211.14            211
 08/29/2013   08:06:36   (  25.21, -92.30) 08/29/2013   07:59:27    (  25.64, -94.33)  209.17            429
 08/29/2013   09:49:15   (  23.19,-118.34) 08/29/2013   09:41:32    (  23.59,-120.23)  197.68            463