Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2014 12 23.  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)
 12/25/2014   23:14:45   (   0.11,-135.30) (  -0.66,-138.66)  382.80                80
 12/26/2014   23:03:38   (   0.11,-135.29) (  -0.03,-135.97)   76.80                80
 12/27/2014   22:55:11   (   0.10,-135.27) (   0.54,-133.26)  229.11                80
 12/30/2014   11:15:00   (  -0.11,-135.27) (   0.64,-138.66)  386.02                80
 12/31/2014   11:03:52   (  -0.11,-135.25) (   0.07,-135.96)   80.58                80
 01/01/2015   10:55:26   (  -0.10,-135.23) (  -0.57,-133.26)  224.79                80
 01/03/2015   23:15:10   (   0.11,-135.12) (  -0.70,-138.63)  400.52                80
 01/04/2015   23:04:03   (   0.10,-135.10) (  -0.11,-135.93)   95.40                80
 01/05/2015   22:55:36   (   0.10,-135.07) (   0.55,-133.24)  209.67                80