Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2016 1 3.  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)
 01/04/2016   23:30:16   (   0.11,-134.35) (  -0.30,-136.26)  217.35                80
 01/05/2016   23:21:37   (   0.11,-134.29) (   0.28,-133.50)   90.06                80
 01/06/2016   23:10:20   (   0.10,-134.24) (   0.92,-130.76)  397.33                80
 01/09/2016   11:29:39   (  -0.10,-134.14) (   0.32,-136.01)  213.64                80
 01/10/2016   11:21:01   (  -0.10,-134.08) (  -0.31,-133.27)   92.78                80
 01/11/2016   11:09:43   (  -0.09,-134.01) (  -0.88,-130.51)  398.94                80
 01/13/2016   23:29:01   (   0.10,-133.79) (  -0.33,-135.77)  224.43                80
 01/14/2016   23:20:23   (   0.10,-133.73) (   0.25,-133.01)   81.48                80
 01/15/2016   23:09:06   (   0.10,-133.66) (   0.90,-130.27)  387.31                80