Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2017 9 1.  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)
 09/03/2017   12:35:07   (   0.28,-135.08) (   0.66,-136.69)  183.74                80
 09/04/2017   12:20:58   (   0.29,-135.07) (   0.02,-133.89)  133.98                80
 09/05/2017   12:09:30   (   0.29,-135.05) (  -0.62,-131.09)  451.58                80
 09/07/2017   00:42:38   (  -0.26,-134.94) (  -1.22,-139.04)  468.25                80
 09/08/2017   00:31:10   (  -0.26,-134.93) (  -0.56,-136.25)  150.50                80
 09/09/2017   00:22:21   (  -0.27,-134.91) (   0.10,-133.46)  167.05                80
 09/10/2017   00:10:52   (  -0.27,-134.90) (   0.70,-130.65)  484.47                80
 09/11/2017   12:41:06   (   0.24,-134.96) (   1.04,-138.56)  409.77                80
 09/12/2017   12:29:36   (   0.25,-134.93) (   0.45,-135.75)   93.33                80
 09/13/2017   12:20:48   (   0.25,-134.91) (  -0.19,-132.95)  222.93                80