Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2017 7 16.  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)
 07/17/2017   00:36:31   (   0.25,-135.22) (  -0.67,-139.11)  445.29                80
 07/18/2017   00:25:03   (   0.25,-135.19) (  -0.02,-136.32)  129.36                80
 07/19/2017   00:16:16   (   0.25,-135.17) (   0.63,-133.53)  186.29                80
 07/21/2017   12:37:44   (  -0.27,-135.08) (   0.57,-138.64)  406.81                80
 07/22/2017   12:26:17   (  -0.27,-135.05) (  -0.10,-135.86)   91.80                80
 07/23/2017   12:12:08   (  -0.27,-135.01) (  -0.71,-133.06)  223.13                80
 07/26/2017   00:33:47   (   0.29,-134.93) (  -0.48,-138.21)  374.48                80
 07/27/2017   00:22:20   (   0.29,-134.90) (   0.18,-135.42)   59.54                80
 07/28/2017   00:13:31   (   0.29,-134.86) (   0.78,-132.62)  255.31                80
 07/30/2017   12:34:58   (  -0.30,-134.77) (   0.38,-137.72)  337.20                80