Simultaneous Nadir Overpasses (SNOs) near US between NOAA-19 and NPP
TLE Epoch: 2012 8 24.  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   18:46:00   (  49.04, -88.49) 09/02/2012   18:46:16    (  48.58, -90.75)  172.93             16
 09/02/2012   20:28:21   (  49.94,-114.42) 09/02/2012   20:28:03    (  49.56,-116.55)  158.84             18
 09/03/2012   07:07:03   (  36.43, -76.88) 09/03/2012   07:03:08    (  36.76, -78.47)  146.32            235
 09/03/2012   08:49:43   (  34.41,-103.02) 09/03/2012   08:45:13    (  34.71,-104.47)  136.39            270