Simultaneous Nadir Overpasses (SNOs) between GOES-17 and LANDSAT-8
TLE Epoch: 2019 5 21.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  LANDSAT-8 Lat/Lon    Distance(km)  Time Diff(sec)
 05/22/2019   07:04:18   (  -0.00,-137.17) (   0.79,-133.54)  412.92                80
 05/22/2019   19:25:33   (   0.00,-137.19) (   0.30,-138.70)  171.07                80
 05/24/2019   19:16:03   (   0.01,-137.17) (  -0.28,-135.73)  163.09                80
 05/25/2019   07:37:27   (  -0.01,-137.15) (  -0.80,-140.93)  430.05                80
 05/26/2019   19:03:53   (   0.01,-137.15) (  -0.92,-132.78)  496.80                80
 05/27/2019   07:25:16   (  -0.01,-137.12) (  -0.21,-137.97)   96.54                80
 05/29/2019   07:10:26   (  -0.01,-137.10) (   0.43,-135.02)  236.57                80
 05/29/2019   19:31:42   (   0.01,-137.11) (   0.66,-140.17)  348.72                80
 05/31/2019   19:19:31   (   0.01,-137.07) (   0.07,-137.21)   16.60                80
 06/02/2019   19:10:01   (   0.01,-137.03) (  -0.58,-134.26)  315.21                80
 06/03/2019   07:31:25   (  -0.02,-137.00) (  -0.54,-139.44)  277.79                80