Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2016 12 15.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NOAA-19 Lat/Lon    Distance(km)  Time Diff(sec)
 12/16/2016   12:05:16   (  -0.10,-135.24) (   0.35,-137.16)  219.79                80
 12/17/2016   11:56:31   (  -0.10,-135.22) (  -0.26,-134.38)   94.68                80
 12/18/2016   11:45:08   (  -0.09,-135.19) (  -0.94,-131.61)  409.04                80
 12/21/2016   00:04:18   (   0.11,-135.10) (  -0.29,-136.82)  196.31                80
 12/21/2016   23:55:34   (   0.10,-135.07) (   0.34,-134.04)  117.94                80
 12/22/2016   23:44:10   (   0.10,-135.05) (   0.98,-131.26)  432.13                80
 12/24/2016   12:14:28   (  -0.11,-135.05) (   0.87,-139.18)  471.90                80
 12/25/2016   12:03:04   (  -0.11,-135.02) (   0.19,-136.41)  158.20                80
 12/26/2016   11:54:20   (  -0.10,-134.99) (  -0.44,-133.63)  155.40                80
 12/27/2016   11:42:55   (  -0.09,-134.96) (  -1.06,-130.86)  468.77                80
 12/29/2016   00:13:29   (   0.10,-134.87) (  -0.80,-138.83)  451.82                80