Simultaneous Nadir Overpasses (SNOs) near US between NOAA-19 and NPP
TLE Epoch: 2012 11 1.  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)
 11/03/2012   06:19:26   (  34.25, -65.30) 11/03/2012   06:19:09    (  34.74, -67.96)  249.62             17
 11/03/2012   07:57:47   (  47.13, -86.32) 11/03/2012   07:56:57    (  47.61, -88.85)  197.94             50
 11/03/2012   09:40:27   (  45.12,-112.65) 11/03/2012   09:39:02    (  45.59,-115.04)  193.79             85
 11/03/2012   17:47:09   (  49.96, -73.95) 11/03/2012   17:43:01    (  49.73, -75.38)  106.03            248
 11/03/2012   19:29:14   (  49.96, -99.47) 11/03/2012   19:24:31    (  49.73,-100.76)   95.92            283
 11/03/2012   21:11:19   (  49.96,-124.99) 11/03/2012   21:06:01    (  49.73,-126.14)   85.89            318
 11/04/2012   07:54:46   (  20.01, -91.95) 11/04/2012   07:46:07    (  19.00, -92.76)  140.38            519