Simultaneous Nadir Overpasses (SNOs) between GOES-17 and LANDSAT-8
TLE Epoch: 2021 10 14.  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)
 10/14/2021   07:32:07   (   0.05,-137.20) (  -0.44,-139.46)  256.48                80
 10/16/2021   07:17:16   (   0.04,-137.20) (   0.19,-136.50)   79.50                80
 10/18/2021   07:05:05   (   0.04,-137.20) (   0.82,-133.55)  415.35                80
 10/18/2021   19:26:21   (  -0.04,-137.19) (   0.25,-138.71)  171.68                80
 10/20/2021   19:16:49   (  -0.04,-137.19) (  -0.33,-135.74)  163.78                80
 10/21/2021   07:38:14   (   0.04,-137.19) (  -0.74,-140.94)  426.23                80
 10/22/2021   19:04:38   (  -0.04,-137.17) (  -0.97,-132.79)  498.53                80
 10/23/2021   07:26:02   (   0.04,-137.17) (  -0.15,-137.97)   91.68                80
 10/25/2021   07:11:11   (   0.03,-137.15) (   0.49,-135.02)  242.22                80
 10/25/2021   19:32:26   (  -0.03,-137.14) (   0.64,-140.17)  345.54                80
 10/27/2021   19:20:15   (  -0.03,-137.10) (  -0.01,-137.22)   12.56                80