Simultaneous Nadir Overpasses (SNOs) near US between NOAA-19 and NPP
TLE Epoch: 2013 1 29.  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)
 01/29/2013   07:35:31   (  30.99, -84.66) 01/29/2013   07:30:03    (  31.34, -86.35)  165.38            328
 01/29/2013   09:18:09   (  29.06,-110.72) 01/29/2013   09:12:07    (  29.36,-112.28)  154.43            362