Simultaneous Nadir Overpasses (SNOs) near US between NOAA-19 and NPP
TLE Epoch: 2013 6 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)
 06/02/2013   07:06:10   (  40.66, -74.29) 06/02/2013   07:03:28    (  41.21, -77.09)  242.74            162
 06/02/2013   08:48:49   (  38.67,-100.48) 06/02/2013   08:45:33    (  39.17,-103.15)  237.39            196
 06/02/2013   18:35:47   (  49.99, -85.08) 06/02/2013   18:29:11    (  49.70, -86.63)  115.29            396
 06/02/2013   20:17:51   (  49.96,-110.59) 06/02/2013   20:10:41    (  49.71,-112.00)  105.41            430