Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2016 11 13.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 11/13/2016   10:15:18   (   0.08,-135.20) (  -0.59,-132.24)  337.31                80
 11/14/2016   22:34:35   (  -0.06,-135.19) (  -0.61,-137.55)  269.47                80
 11/15/2016   22:18:30   (  -0.07,-135.21) (   0.41,-133.02)  249.58                80
 11/17/2016   10:37:39   (   0.05,-135.29) (   0.72,-138.30)  343.13                80
 11/18/2016   10:21:34   (   0.06,-135.31) (  -0.31,-133.77)  175.38                80
 11/19/2016   22:40:50   (  -0.03,-135.28) (  -0.89,-139.08)  432.70                80
 11/20/2016   22:24:46   (  -0.04,-135.30) (   0.14,-134.55)   85.78                80
 11/23/2016   10:25:09   (   0.03,-135.39) (   0.03,-135.29)   11.36                80
 11/25/2016   22:28:21   (  -0.02,-135.38) (  -0.19,-136.07)   79.57                80
 11/26/2016   22:12:16   (  -0.03,-135.39) (   0.84,-131.55)  438.41                80