Simultaneous Nadir Overpasses (SNOs) near US between NOAA-19 and NPP
TLE Epoch: 2012 12 29.  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   18:38:13   (  46.95, -85.40) 01/03/2013   18:39:06    (  46.39, -88.22)  223.91             53
 01/03/2013   20:20:53   (  48.96,-111.78) 01/03/2013   20:21:11    (  48.41,-114.42)  203.81             18
 01/04/2013   06:59:13   (  38.63, -73.93) 01/04/2013   06:55:56    (  39.07, -76.06)  191.44            197
 01/04/2013   08:41:52   (  36.65,-100.08) 01/04/2013   08:38:01    (  37.03,-102.09)  183.60            231
 01/04/2013   18:28:13   (  49.94, -83.97) 01/04/2013   18:21:03    (  49.77, -84.88)   68.00            430
 01/04/2013   20:10:18   (  49.95,-109.50) 01/04/2013   20:02:34    (  49.83,-110.28)   57.97            464