Simultaneous Nadir Overpasses (SNOs) near US between NOAA-19 and NPP
TLE Epoch: 2012 7 3.  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)
 07/03/2012   17:50:31   (  49.95, -75.09) 07/03/2012   17:49:29    (  49.64, -76.86)  132.01             62
 07/03/2012   19:32:37   (  50.00,-100.63) 07/03/2012   19:31:00    (  49.70,-102.27)  121.71             97
 07/03/2012   21:13:55   (  47.30,-124.98) 07/03/2012   21:11:43    (  47.00,-126.50)  119.38            132
 07/04/2012   07:55:24   (  29.64, -90.61) 07/04/2012   07:49:31    (  29.81, -91.53)   90.32            353
 07/04/2012   09:38:05   (  27.57,-116.70) 07/04/2012   09:31:36    (  27.75,-117.46)   77.29            389