Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2017 9 26.  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)
 09/27/2017   00:16:36   (  -0.19,-135.36) (   0.68,-131.57)  432.44                80
 09/28/2017   12:46:54   (   0.15,-135.47) (   1.06,-139.49)  458.97                80
 09/29/2017   12:35:25   (   0.15,-135.47) (   0.45,-136.69)  139.47                80
 09/30/2017   12:26:36   (   0.16,-135.47) (  -0.21,-133.90)  179.89                80
 10/01/2017   12:15:08   (   0.16,-135.47) (  -0.88,-131.10)  499.14                80
 10/03/2017   00:45:29   (  -0.12,-135.36) (  -0.95,-139.02)  417.29                80
 10/04/2017   00:34:00   (  -0.13,-135.36) (  -0.32,-136.22)   98.02                80
 10/05/2017   00:25:10   (  -0.13,-135.36) (   0.31,-133.42)  221.04                80
 10/07/2017   12:44:01   (   0.10,-135.44) (   0.80,-138.55)  353.61                80
 10/08/2017   12:32:32   (   0.11,-135.43) (   0.18,-135.74)   35.33                80
 10/09/2017   12:23:42   (   0.12,-135.42) (  -0.43,-132.94)  282.66                80