Simultaneous Nadir Overpasses (SNOs) between METOP-A and NPP
TLE Epoch: 2015 3 15.  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)
 03/15/2015   12:39:37   ( -73.00, 162.51) 03/15/2015   12:40:51  ( -73.04, 162.63)    5.95                74
 03/15/2015   13:30:21   (  72.77, -30.63) 03/15/2015   13:31:32  (  72.79, -29.55)   35.63                71
 03/15/2015   14:21:04   ( -72.72, 136.60) 03/15/2015   14:22:15  ( -72.74, 137.88)   42.24                71
 03/15/2015   15:11:49   (  72.44, -56.63) 03/15/2015   15:12:56  (  72.50, -54.32)   77.74                67
 03/15/2015   16:02:32   ( -72.40, 110.60) 03/15/2015   16:03:39  ( -72.45, 113.10)   84.15                67