Simultaneous Nadir Overpasses (SNOs) near US between NOAA-19 and NPP
TLE Epoch: 2012 8 31.  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   (  49.03, -88.48) 09/02/2012   18:46:14    (  48.55, -90.73)  173.18             16
 09/02/2012   20:28:20   (  49.99,-114.43) 09/02/2012   20:28:02    (  49.59,-116.55)  158.78             18
 09/03/2012   07:07:00   (  36.43, -76.87) 09/03/2012   07:03:05    (  36.77, -78.45)  146.52            235
 09/03/2012   08:49:39   (  34.46,-102.99) 09/03/2012   08:45:10    (  34.72,-104.45)  136.60            269
 09/03/2012   18:35:25   (  49.96, -86.19) 09/03/2012   18:27:35    (  49.92, -86.56)   27.31            470
 09/03/2012   20:17:30   (  49.95,-111.71) 09/03/2012   20:09:05    (  49.93,-111.94)   17.15            505