Simultaneous Nadir Overpasses (SNOs) near US between NOAA-19 and NPP
TLE Epoch: 2012 12 6.  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   06:24:59   (  38.09, -65.62) 12/10/2012   06:24:27    (  38.60, -68.34)  244.08             32
 12/10/2012   08:04:42   (  46.26, -88.20) 12/10/2012   08:03:37    (  46.71, -90.80)  205.74             65
 12/10/2012   09:47:22   (  44.25,-114.50) 12/10/2012   09:45:42    (  44.68,-116.97)  201.49            100
 12/10/2012   17:53:47   (  50.00, -75.49) 12/10/2012   17:49:25    (  49.72, -76.97)  110.83            262
 12/10/2012   19:35:51   (  49.95,-100.99) 12/10/2012   19:30:55    (  49.73,-102.35)  100.93            296
 12/10/2012   21:16:54   (  46.41,-124.99) 12/10/2012   21:11:23    (  46.16,-126.23)   99.49            331
 12/11/2012   08:01:24   (  20.00, -93.47) 12/11/2012   07:52:46    (  18.10, -94.56)  241.00            518