Simultaneous Nadir Overpasses (SNOs) near US between NOAA-19 and NPP
TLE Epoch: 2012 1 28.  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)
 01/28/2012   07:22:08   (  20.02, -84.33) 01/28/2012   07:15:20    (  20.09, -84.52)   20.66            408
 01/28/2012   09:04:13   (  20.05,-109.85) 01/28/2012   08:56:50    (  20.08,-109.89)    5.81            443