Simultaneous Nadir Overpasses (SNOs) near US between NOAA-19 and NPP
TLE Epoch: 2012 1 30.  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)
 02/08/2012   06:57:40   (  49.90, -70.85) 02/08/2012   07:00:13    (  50.39, -73.36)  186.92            153
 02/08/2012   08:39:45   (  49.93, -96.36) 02/08/2012   08:41:43    (  50.38, -98.73)  176.73            118
 02/08/2012   10:21:51   (  49.90,-121.89) 02/08/2012   10:23:14    (  50.32,-124.14)  166.73             83
 02/08/2012   18:30:02   (  49.99, -85.18) 02/08/2012   18:28:35    (  49.74, -86.41)   92.99             87
 02/08/2012   20:12:07   (  49.97,-110.69) 02/08/2012   20:10:05    (  49.75,-111.79)   82.78            122
 02/09/2012   06:52:37   (  30.26, -75.00) 02/09/2012   06:46:55    (  30.37, -75.52)   51.26            342
 02/09/2012   08:37:39   (  20.00,-103.21) 02/09/2012   08:31:21    (  20.06,-103.56)   36.87            378