Simultaneous Nadir Overpasses (SNOs) near US between NOAA-19 and NPP
TLE Epoch: 2013 1 3.  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)
 01/03/2013   18:38:16   (  47.06, -85.45) 01/03/2013   18:39:07    (  46.49, -88.26)  222.85             51
 01/03/2013   20:20:56   (  49.07,-111.83) 01/03/2013   20:21:12    (  48.52,-114.47)  202.78             16
 01/04/2013   06:59:16   (  38.53, -73.96) 01/04/2013   06:55:57    (  38.96, -76.09)  191.09            199
 01/04/2013   08:41:55   (  36.55,-100.12) 01/04/2013   08:38:02    (  36.92,-102.12)  183.22            233
 01/04/2013   18:28:15   (  49.97, -83.99) 01/04/2013   18:21:03    (  49.82, -84.90)   67.24            432
 01/04/2013   20:10:20   (  49.98,-109.52) 01/04/2013   20:02:33    (  49.83,-110.28)   57.19            467