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

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 11/15/2016   22:18:30   (  -0.07,-135.21) (   0.40,-133.02)  249.77                80
 11/17/2016   10:37:38   (   0.05,-135.29) (   0.73,-138.30)  343.36                80
 11/18/2016   10:21:34   (   0.06,-135.30) (  -0.29,-133.77)  175.11                80
 11/19/2016   22:40:50   (  -0.03,-135.28) (  -0.91,-139.07)  432.58                80
 11/20/2016   22:24:46   (  -0.04,-135.30) (   0.12,-134.55)   85.91                80
 11/23/2016   10:27:49   (   0.03,-135.39) (  -0.01,-135.30)   10.97                80
 11/25/2016   22:28:21   (  -0.02,-135.38) (  -0.15,-136.08)   79.54                80
 11/26/2016   22:12:16   (  -0.03,-135.39) (   0.82,-131.54)  438.49                80
 11/28/2016   10:31:24   (   0.01,-135.45) (   0.32,-136.82)  155.79                80
 11/29/2016   10:15:20   (   0.02,-135.46) (  -0.71,-132.30)  361.61                80