Simultaneous Nadir Overpasses (SNOs) near US between NOAA-19 and NPP
TLE Epoch: 2013 1 26.  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   (  49.97, -69.62) 01/28/2013   17:30:26    (  49.56, -72.12)  185.96             45
 01/28/2013   19:13:16   (  49.98, -95.14) 01/28/2013   19:11:56    (  49.56, -97.50)  175.86             80
 01/28/2013   20:55:21   (  49.99,-120.67) 01/28/2013   20:53:27    (  49.62,-122.90)  165.78            114
 01/29/2013   07:35:29   (  31.06, -84.64) 01/29/2013   07:30:02    (  31.42, -86.33)  165.55            327
 01/29/2013   09:18:08   (  29.07,-110.72) 01/29/2013   09:12:07    (  29.37,-112.28)  154.71            361