Simultaneous Nadir Overpasses (SNOs) near US between NOAA-19 and NPP
TLE Epoch: 2012 10 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)
 10/21/2012   18:24:54   (  45.97, -82.03) 10/21/2012   18:26:04    (  45.41, -84.67)  215.09             70
 10/21/2012   20:07:33   (  47.93,-108.35) 10/21/2012   20:08:09    (  47.43,-110.85)  195.47             36
 10/22/2012   06:45:53   (  39.72, -70.61) 10/22/2012   06:42:54    (  40.09, -72.59)  173.96            179
 10/22/2012   08:28:33   (  37.70, -96.80) 10/22/2012   08:24:59    (  38.06, -98.63)  165.91            214
 10/22/2012   10:11:13   (  35.68,-122.96) 10/22/2012   10:07:04    (  36.02,-124.64)  156.94            249
 10/22/2012   18:15:14   (  50.00, -81.03) 10/22/2012   18:08:21    (  49.88, -81.77)   55.16            413
 10/22/2012   19:57:18   (  49.94,-106.52) 10/22/2012   19:49:50    (  49.82,-107.12)   45.19            448