Simultaneous Nadir Overpasses (SNOs) between GOES-17 and LANDSAT-8
TLE Epoch: 2021 10 6.  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,-137.24) (  -0.11,-137.98)   83.76                80
 10/09/2021   07:13:49   (   0.05,-137.26) (   0.50,-135.02)  254.53                80
 10/09/2021   19:35:05   (  -0.05,-137.27) (   0.57,-140.18)  331.10                80
 10/11/2021   19:20:14   (  -0.04,-137.28) (  -0.04,-137.22)    6.20                80
 10/13/2021   19:10:43   (  -0.04,-137.28) (  -0.66,-134.27)  342.61                80
 10/14/2021   07:29:28   (   0.04,-137.28) (  -0.40,-139.47)  248.04                80
 10/16/2021   07:17:16   (   0.03,-137.28) (   0.17,-136.50)   88.38                80
 10/16/2021   19:41:12   (  -0.03,-137.28) (   0.91,-141.66)  497.62                80
 10/18/2021   07:05:05   (   0.03,-137.28) (   0.80,-133.54)  424.53                80
 10/18/2021   19:29:01   (  -0.03,-137.28) (   0.28,-138.70)  161.50                80