Simultaneous Nadir Overpasses (SNOs) near US between NOAA-19 and NPP
TLE Epoch: 2012 1 31.  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)
 02/08/2012   06:57:39   (  49.91, -70.84) 02/08/2012   07:00:23    (  50.39, -73.40)  189.99            164
 02/08/2012   08:39:44   (  49.94, -96.35) 02/08/2012   08:41:53    (  50.39, -98.77)  179.84            129
 02/08/2012   10:21:50   (  49.91,-121.89) 02/08/2012   10:23:24    (  50.33,-124.18)  169.88             94
 02/08/2012   18:30:01   (  49.99, -85.17) 02/08/2012   18:28:46    (  49.75, -86.46)   96.34             75
 02/08/2012   20:12:06   (  49.97,-110.68) 02/08/2012   20:10:16    (  49.75,-111.84)   86.21            110
 02/09/2012   06:52:23   (  31.01, -74.79) 02/09/2012   06:46:54    (  31.13, -75.36)   56.15            329
 02/09/2012   08:37:37   (  20.06,-103.20) 02/09/2012   08:31:32    (  20.12,-103.60)   42.45            365