Simultaneous Nadir Overpasses (SNOs) between METOP-A and NPP
TLE Epoch: 2013 10 18.  Predictions up to the next  14.0 days:

     Date     Time(METOP-A)   METOP-A Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 10/18/2013   02:44:43   ( -72.04, -50.80) ( -72.11, -48.33)   84.86                67