Simultaneous Nadir Overpasses (SNOs) near US between NOAA-19 and NPP
TLE Epoch: 2012 12 1.  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)
 12/10/2012   06:24:56   (  38.15, -65.59) 12/10/2012   06:24:26    (  38.67, -68.32)  244.57             30
 12/10/2012   08:04:38   (  46.37, -88.14) 12/10/2012   08:03:35    (  46.84, -90.75)  205.91             63
 12/10/2012   09:47:18   (  44.35,-114.45) 12/10/2012   09:45:40    (  44.81,-116.92)  201.74             98
 12/10/2012   17:53:44   (  49.96, -75.46) 12/10/2012   17:49:25    (  49.71, -76.97)  111.60            259
 12/10/2012   19:35:49   (  49.97,-100.99) 12/10/2012   19:30:55    (  49.72,-102.35)  101.51            294
 12/10/2012   21:16:52   (  46.44,-124.99) 12/10/2012   21:11:24    (  46.21,-126.25)  100.13            328
 12/11/2012   08:01:21   (  20.03, -93.45) 12/11/2012   07:52:43    (  18.28, -94.52)  223.52            518