Simultaneous Nadir Overpasses (SNOs) near US between NOAA-19 and NPP
TLE Epoch: 2012 12 27.  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   18:38:14   (  46.97, -85.41) 01/03/2013   18:39:07    (  46.41, -88.23)  223.79             53
 01/03/2013   20:20:53   (  48.92,-111.76) 01/03/2013   20:21:11    (  48.38,-114.41)  203.95             18
 01/04/2013   06:59:13   (  38.62, -73.93) 01/04/2013   06:55:56    (  39.04, -76.08)  191.51            197
 01/04/2013   08:41:52   (  36.64,-100.09) 01/04/2013   08:38:01    (  37.00,-102.10)  183.69            231
 01/04/2013   18:28:13   (  49.96, -83.98) 01/04/2013   18:21:03    (  49.79, -84.89)   67.92            430
 01/04/2013   20:10:18   (  49.97,-109.50) 01/04/2013   20:02:33    (  49.80,-110.27)   57.94            465