Simultaneous Nadir Overpasses (SNOs) between GOES-17 and LANDSAT-8
TLE Epoch: 2019 9 22.  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)
 09/22/2019   19:10:36   (   0.02,-137.21) (  -0.60,-134.24)  337.61                80
 09/23/2019   07:29:20   (  -0.02,-137.20) (  -0.52,-139.43)  253.69                80
 09/25/2019   07:17:10   (  -0.01,-137.19) (   0.15,-136.48)   80.88                80
 09/27/2019   07:04:59   (   0.00,-137.17) (   0.76,-133.52)  414.75                80
 09/27/2019   19:26:15   (  -0.00,-137.17) (   0.33,-138.68)  171.49                80
 09/29/2019   19:16:44   (  -0.01,-137.15) (  -0.29,-135.72)  162.26                80
 09/30/2019   07:38:09   (   0.01,-137.14) (  -0.77,-140.92)  429.36                80
 10/01/2019   19:04:34   (  -0.02,-137.13) (  -0.97,-132.78)  495.39                80
 10/02/2019   07:25:58   (   0.02,-137.11) (  -0.15,-137.97)   96.39                80
 10/04/2019   07:13:47   (   0.02,-137.08) (   0.48,-135.01)  236.21                80
 10/04/2019   19:32:22   (  -0.02,-137.08) (   0.62,-140.17)  350.66                80