Simultaneous Nadir Overpasses (SNOs) between GOES-17 and LANDSAT-8
TLE Epoch: 2021 10 2.  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)
 10/02/2021   07:07:24   (   0.05,-137.22) (   0.83,-133.54)  418.52                62
 10/02/2021   19:26:17   (  -0.05,-137.23) (   0.26,-138.70)  167.04                80
 10/04/2021   19:16:46   (  -0.04,-137.25) (  -0.35,-135.74)  171.69                80
 10/05/2021   07:38:11   (   0.04,-137.26) (  -0.72,-140.94)  418.13                80
 10/07/2021   07:26:00   (   0.05,-137.28) (  -0.11,-137.98)   80.18                80
 10/09/2021   07:13:49   (   0.04,-137.28) (   0.51,-135.02)  256.94                80
 10/09/2021   19:32:25   (  -0.04,-137.29) (   0.57,-140.18)  329.29                80
 10/11/2021   19:22:54   (  -0.04,-137.28) (  -0.05,-137.22)    6.71                80
 10/13/2021   19:10:43   (  -0.03,-137.28) (  -0.67,-134.27)  342.08                80
 10/14/2021   07:32:07   (   0.03,-137.27) (  -0.45,-139.45)  248.51                80