Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2016 2 3.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 02/04/2016   10:19:55   (  -0.07,-135.31) (  -0.41,-133.70)  182.85                80
 02/05/2016   22:44:30   (   0.06,-135.28) (  -0.75,-139.01)  424.01                80
 02/06/2016   22:25:17   (   0.06,-135.29) (   0.22,-134.46)   93.56                54
 02/09/2016   10:26:04   (  -0.06,-135.34) (  -0.10,-135.20)   15.69                80
 02/11/2016   22:31:53   (   0.06,-135.30) (  -0.09,-135.97)   75.60                80
 02/12/2016   22:10:28   (   0.06,-135.30) (   0.94,-131.44)  440.97                80
 02/14/2016   10:34:53   (  -0.05,-135.34) (   0.27,-136.70)  155.32                80
 02/15/2016   10:13:28   (  -0.05,-135.33) (  -0.76,-132.17)  360.92                80
 02/16/2016   22:38:02   (   0.05,-135.28) (  -0.45,-137.46)  248.35                80