Simultaneous Nadir Overpasses (SNOs) between METOP-A and NPP
TLE Epoch: 2015 8 17.  Predictions up to the next  14.0 days:

     Date     Time(METOP-A) METOP-A Lat/Lon Date Time(NPP) NPP Lat/Lon    Distance(km)  Time Diff(sec)
 08/17/2015   14:12:33   ( -72.47, 137.79) 08/17/2015   14:13:41  ( -72.49, 139.93)   71.77                68