Simultaneous Nadir Overpasses (SNOs) between GOES-17 and LANDSAT-8
TLE Epoch: 2021 10 4.  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)
 10/04/2021   19:16:47   (  -0.05,-137.22) (  -0.36,-135.74)  167.86                80
 10/05/2021   07:38:10   (   0.05,-137.21) (  -0.77,-140.93)  422.99                80
 10/07/2021   07:26:00   (   0.05,-137.21) (  -0.10,-137.98)   87.41                80
 10/09/2021   07:13:49   (   0.05,-137.20) (   0.51,-135.02)  247.36                80
 10/09/2021   19:32:25   (  -0.04,-137.20) (   0.57,-140.18)  339.06                80
 10/11/2021   19:20:14   (  -0.04,-137.17) (  -0.05,-137.23)    5.91                80
 10/13/2021   19:10:43   (  -0.03,-137.14) (  -0.67,-134.27)  327.62                80
 10/14/2021   07:29:27   (   0.03,-137.13) (  -0.45,-139.46)  264.00                80
 10/16/2021   07:17:16   (   0.03,-137.10) (   0.18,-136.50)   68.86                80