Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2015 12 26.  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)
 12/26/2015   23:31:27   (   0.11,-134.78) (  -0.36,-136.72)  222.70                80
 12/27/2015   23:22:50   (   0.10,-134.73) (   0.27,-133.98)   85.82                80
 12/28/2015   23:11:32   (   0.10,-134.69) (   0.90,-131.24)  394.32                80
 12/31/2015   11:30:50   (  -0.11,-134.62) (   0.31,-136.49)  213.01                80
 01/01/2016   11:22:12   (  -0.11,-134.57) (  -0.30,-133.74)   94.90                80
 01/02/2016   11:10:55   (  -0.10,-134.52) (  -0.92,-131.00)  402.70                80
 01/04/2016   23:30:16   (   0.11,-134.35) (  -0.30,-136.26)  216.82                80
 01/05/2016   23:21:37   (   0.10,-134.30) (   0.28,-133.50)   90.71                80
 01/06/2016   23:10:20   (   0.10,-134.25) (   0.92,-130.76)  398.09                80