Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2016 11 28.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 11/29/2016   10:15:19   (   0.02,-135.40) (  -0.70,-132.29)  355.67                80
 11/30/2016   22:34:36   (   0.00,-135.37) (  -0.48,-137.59)  253.48                80
 12/01/2016   22:18:30   (  -0.01,-135.37) (   0.49,-133.06)  262.97                80
 12/03/2016   10:37:38   (  -0.01,-135.40) (   0.65,-138.34)  334.97                80
 12/04/2016   10:21:34   (   0.00,-135.39) (  -0.38,-133.81)  180.97                80
 12/05/2016   22:40:49   (   0.02,-135.34) (  -0.85,-139.10)  429.54                80
 12/06/2016   22:24:45   (   0.01,-135.33) (   0.18,-134.58)   86.09                80
 12/09/2016   10:25:08   (  -0.02,-135.34) (  -0.01,-135.32)    2.62                80
 12/11/2016   22:28:18   (   0.03,-135.26) (  -0.17,-136.09)   94.53                80