Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2017 8 22.  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)
 08/23/2017   00:16:33   (  -0.34,-135.03) (   0.26,-132.53)  285.87                80
 08/25/2017   12:37:55   (   0.32,-135.10) (   0.90,-137.62)  286.75                80
 08/26/2017   12:23:47   (   0.33,-135.11) (   0.27,-134.82)   32.56                80
 08/27/2017   12:12:18   (   0.33,-135.11) (  -0.37,-132.02)  351.74                80
 08/30/2017   00:34:00   (  -0.31,-135.04) (  -0.80,-137.19)  244.72                80
 08/31/2017   00:25:12   (  -0.31,-135.04) (  -0.15,-134.39)   74.21                80
 09/01/2017   00:13:43   (  -0.31,-135.04) (   0.49,-131.60)  393.10                80
 09/02/2017   12:43:56   (   0.28,-135.11) (   1.29,-139.49)  499.97                80
 09/03/2017   12:34:08   (   0.28,-135.10) (   0.65,-136.69)  181.87                21
 09/04/2017   12:20:59   (   0.29,-135.09) (   0.01,-133.90)  136.14                80
 09/05/2017   12:09:30   (   0.29,-135.08) (  -0.62,-131.10)  454.02                80