Simultaneous Nadir Overpasses (SNOs) between GOES-17 and LANDSAT-8
TLE Epoch: 2021 8 1.  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)
 08/01/2021   19:16:27   (  -0.01,-137.22) (  -0.30,-135.72)  169.59                80
 08/02/2021   07:35:11   (   0.01,-137.20) (  -0.78,-140.92)  422.03                80
 08/04/2021   07:23:00   (   0.00,-137.20) (  -0.18,-137.95)   86.51                80
 08/06/2021   07:13:30   (  -0.00,-137.18) (   0.47,-135.00)  248.41                80
 08/06/2021   19:32:05   (   0.01,-137.19) (   0.66,-140.15)  337.22                80
 08/08/2021   19:19:55   (  -0.00,-137.17) (   0.00,-137.20)    3.50                80
 08/10/2021   19:10:24   (  -0.01,-137.15) (  -0.60,-134.24)  329.80                80
 08/11/2021   07:31:49   (   0.01,-137.13) (  -0.48,-139.44)  262.37                80
 08/13/2021   07:16:58   (   0.01,-137.10) (   0.13,-136.48)   70.35                80