Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2015 12 27.  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)
 12/27/2015   23:22:49   (   0.10,-134.73) (   0.24,-133.97)   85.59                80
 12/28/2015   23:11:32   (   0.10,-134.69) (   0.87,-131.23)  393.98                80
 12/31/2015   11:30:49   (  -0.11,-134.62) (   0.34,-136.48)  213.31                80
 01/01/2016   11:22:12   (  -0.11,-134.57) (  -0.28,-133.74)   94.59                80
 01/02/2016   11:10:55   (  -0.10,-134.52) (  -0.90,-130.99)  402.32                80
 01/04/2016   23:30:15   (   0.11,-134.35) (  -0.33,-136.25)  217.47                80
 01/05/2016   23:21:38   (   0.10,-134.29) (   0.31,-133.51)   90.02                80
 01/06/2016   23:10:19   (   0.10,-134.24) (   0.89,-130.76)  397.31                80
 01/09/2016   11:29:38   (  -0.10,-134.14) (   0.36,-136.01)  213.32                80
 01/10/2016   11:21:01   (  -0.10,-134.08) (  -0.27,-133.26)   93.16                80