Simultaneous Nadir Overpasses (SNOs) near US between NOAA-19 and NPP
TLE Epoch: 2012 9 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)
 09/02/2012   18:45:58   (  49.07, -88.50) 09/02/2012   18:46:14    (  48.60, -90.75)  172.86             16
 09/02/2012   20:28:19   (  49.98,-114.42) 09/02/2012   20:28:01    (  49.59,-116.55)  158.72             18
 09/03/2012   07:07:00   (  36.44, -76.86) 09/03/2012   07:03:05    (  36.77, -78.45)  146.49            235
 09/03/2012   08:49:41   (  34.36,-103.02) 09/03/2012   08:45:11    (  34.67,-104.46)  136.65            270
 09/03/2012   18:35:25   (  49.94, -86.18) 09/03/2012   18:27:34    (  49.85, -86.53)   27.21            471
 09/03/2012   20:17:31   (  49.99,-111.73) 09/03/2012   20:09:06    (  49.98,-111.96)   17.16            505