Simultaneous Nadir Overpasses (SNOs) near US between NOAA-19 and NPP
TLE Epoch: 2013 1 28.  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)
 01/28/2013   17:31:11   (  49.98, -69.62) 01/28/2013   17:30:25    (  49.56, -72.12)  185.63             46
 01/28/2013   19:13:16   (  49.99, -95.15) 01/28/2013   19:11:55    (  49.56, -97.50)  175.55             81
 01/28/2013   20:55:20   (  49.95,-120.65) 01/28/2013   20:53:25    (  49.56,-122.87)  165.68            115
 01/29/2013   07:35:31   (  31.00, -84.66) 01/29/2013   07:30:03    (  31.35, -86.35)  165.30            328
 01/29/2013   09:18:09   (  29.07,-110.72) 01/29/2013   09:12:07    (  29.36,-112.27)  154.35            362