Simultaneous Nadir Overpasses (SNOs) between GOES-17 and LANDSAT-8
TLE Epoch: 2021 9 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)
 09/02/2021   19:16:37   (  -0.03,-137.21) (  -0.33,-135.72)  168.36                80
 09/03/2021   07:35:22   (   0.04,-137.20) (  -0.74,-140.92)  422.80                80
 09/05/2021   07:23:11   (   0.04,-137.20) (  -0.13,-137.96)   87.19                80
 09/07/2021   07:13:40   (   0.04,-137.19) (   0.49,-135.01)  248.03                80
 09/07/2021   19:32:16   (  -0.04,-137.19) (   0.59,-140.17)  337.97                80
 09/09/2021   19:20:05   (  -0.04,-137.18) (  -0.03,-137.21)    3.43                80
 09/11/2021   19:10:34   (  -0.03,-137.15) (  -0.65,-134.25)  330.32                80
 09/12/2021   07:29:18   (   0.03,-137.14) (  -0.47,-139.44)  261.40                80
 09/14/2021   07:19:47   (   0.03,-137.11) (   0.16,-136.48)   71.21                80