Simultaneous Nadir Overpasses (SNOs) near US between NOAA-19 and NPP
TLE Epoch: 2012 6 22.  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)
 06/22/2012   06:42:06   (  24.79, -73.27) 06/22/2012   06:34:53    (  24.90, -73.80)   55.80            433
 06/22/2012   08:25:33   (  20.03, -99.99) 06/22/2012   08:17:44    (  20.14,-100.37)   41.10            469
 06/22/2012   10:07:02   (  22.14,-124.99) 06/22/2012   09:59:00    (  20.95,-125.54)  144.12            482