Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2017 9 29.  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)
 09/30/2017   12:26:36   (   0.16,-135.47) (  -0.21,-133.89)  180.05                80
 10/01/2017   12:15:08   (   0.16,-135.47) (  -0.87,-131.10)  499.33                80
 10/03/2017   00:45:29   (  -0.12,-135.36) (  -0.95,-139.02)  417.14                80
 10/04/2017   00:34:00   (  -0.13,-135.36) (  -0.32,-136.22)   97.84                80
 10/05/2017   00:25:10   (  -0.13,-135.36) (   0.31,-133.42)  221.26                80
 10/07/2017   12:44:01   (   0.10,-135.45) (   0.79,-138.55)  353.16                80
 10/08/2017   12:32:31   (   0.11,-135.44) (   0.17,-135.74)   34.86                80
 10/09/2017   12:23:42   (   0.12,-135.42) (  -0.45,-132.94)  283.19                80
 10/12/2017   00:42:32   (  -0.08,-135.27) (  -0.74,-138.05)  317.65                80
 10/13/2017   00:31:02   (  -0.09,-135.25) (  -0.10,-135.25)    1.33                80