Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2014 12 21.  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)
 12/22/2014   11:03:23   (  -0.10,-135.39) (   0.05,-135.96)   65.68                80
 12/23/2014   10:54:57   (  -0.09,-135.38) (  -0.56,-133.27)  240.58                80
 12/25/2014   23:14:45   (   0.11,-135.31) (  -0.66,-138.66)  382.59                80
 12/26/2014   23:03:38   (   0.11,-135.29) (  -0.03,-135.97)   76.58                80
 12/27/2014   22:55:11   (   0.10,-135.28) (   0.55,-133.26)  229.37                80
 12/30/2014   11:15:00   (  -0.11,-135.28) (   0.64,-138.66)  385.57                80
 12/31/2014   11:03:52   (  -0.11,-135.26) (   0.06,-135.96)   80.09                80
 01/01/2015   10:55:26   (  -0.10,-135.23) (  -0.58,-133.27)  225.30                80
 01/03/2015   23:15:10   (   0.11,-135.13) (  -0.70,-138.63)  400.06                80