Simultaneous Nadir Overpasses (SNOs) between GOES-17 and LANDSAT-8
TLE Epoch: 2021 10 7.  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)
 10/07/2021   07:26:00   (   0.05,-137.22) (  -0.13,-137.97)   86.82                80
 10/09/2021   07:13:50   (   0.05,-137.21) (   0.54,-135.03)  248.48                80
 10/09/2021   19:32:25   (  -0.05,-137.21) (   0.60,-140.18)  338.13                80
 10/11/2021   19:20:14   (  -0.04,-137.19) (  -0.02,-137.22)    4.42                80
 10/13/2021   19:10:43   (  -0.04,-137.16) (  -0.64,-134.26)  329.53                80
 10/14/2021   07:32:07   (   0.04,-137.15) (  -0.48,-139.45)  261.68                80
 10/16/2021   07:17:16   (   0.03,-137.13) (   0.14,-136.49)   71.70                80
 10/18/2021   07:05:05   (   0.03,-137.10) (   0.77,-133.54)  404.83                80
 10/18/2021   19:26:20   (  -0.03,-137.09) (   0.30,-138.70)  182.23                80
 10/20/2021   19:16:50   (  -0.03,-137.06) (  -0.33,-135.74)  150.51                80