Simultaneous Nadir Overpasses (SNOs) between GOES-17 and LANDSAT-8
TLE Epoch: 2020 9 29.  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)
 09/29/2020   07:04:58   (   0.04,-137.20) (   0.83,-133.54)  415.51                80
 09/29/2020   19:26:14   (  -0.04,-137.19) (   0.25,-138.70)  171.16                80
 10/01/2020   19:16:43   (  -0.04,-137.18) (  -0.37,-135.75)  163.81                80
 10/02/2020   07:38:07   (   0.04,-137.18) (  -0.75,-140.93)  426.82                80
 10/03/2020   19:04:32   (  -0.04,-137.16) (  -0.99,-132.79)  498.19                80
 10/04/2020   07:25:56   (   0.04,-137.16) (  -0.13,-137.98)   92.60                80
 10/06/2020   07:11:05   (   0.04,-137.14) (   0.50,-135.02)  240.90                80
 10/06/2020   19:32:21   (  -0.04,-137.13) (   0.58,-140.18)  346.48                80
 10/08/2020   19:20:09   (  -0.04,-137.09) (   0.01,-137.21)   14.27                80
 10/10/2020   19:10:38   (  -0.03,-137.05) (  -0.62,-134.25)  317.64                80
 10/11/2020   07:32:02   (   0.03,-137.04) (  -0.50,-139.44)  273.67                80