Simultaneous Nadir Overpasses (SNOs) near US between NOAA-19 and NPP
TLE Epoch: 2013 9 26.  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)
 10/05/2013   17:51:19   (  49.95, -73.11) 10/05/2013   17:46:05    (  49.55, -75.43)  172.79            314
 10/05/2013   19:33:24   (  49.98, -98.64) 10/05/2013   19:27:36    (  49.61,-100.84)  162.72            348
 10/05/2013   21:15:28   (  49.96,-124.15) 10/05/2013   21:09:06    (  49.61,-126.21)  152.88            382