Simultaneous Nadir Overpasses (SNOs) near US between NOAA-19 and NPP
TLE Epoch: 2012 12 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)
 01/03/2013   18:38:12   (  46.92, -85.39) 01/03/2013   18:39:05    (  46.32, -88.19)  224.46             53
 01/03/2013   20:20:51   (  48.88,-111.74) 01/03/2013   20:21:10    (  48.35,-114.40)  204.34             19
 01/04/2013   06:59:12   (  38.66, -73.92) 01/04/2013   06:55:56    (  39.08, -76.07)  191.80            196
 01/04/2013   08:41:51   (  36.68,-100.07) 01/04/2013   08:38:00    (  37.09,-102.08)  183.90            231
 01/04/2013   18:28:13   (  49.98, -83.99) 01/04/2013   18:21:04    (  49.82, -84.90)   68.16            429
 01/04/2013   20:10:18   (  49.99,-109.51) 01/04/2013   20:02:34    (  49.83,-110.28)   58.16            464