Simultaneous Nadir Overpasses (SNOs) between GOES-17 and LANDSAT-8
TLE Epoch: 2021 6 26.  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)
 06/26/2021   07:16:42   (  -0.02,-137.19) (   0.10,-136.48)   80.10                80
 06/28/2021   07:07:12   (  -0.02,-137.19) (   0.78,-133.54)  415.71                80
 06/28/2021   19:25:47   (   0.02,-137.19) (   0.35,-138.69)  170.10                80
 06/30/2021   19:16:16   (   0.01,-137.19) (  -0.28,-135.73)  165.50                80
 07/01/2021   07:35:01   (  -0.01,-137.18) (  -0.79,-140.93)  425.67                80
 07/03/2021   07:25:30   (  -0.01,-137.17) (  -0.16,-137.97)   90.44                80
 07/05/2021   07:10:38   (  -0.02,-137.15) (   0.42,-135.00)  244.33                80
 07/05/2021   19:31:54   (   0.02,-137.15) (   0.65,-140.16)  342.03                80
 07/07/2021   19:19:43   (   0.02,-137.12) (   0.02,-137.20)    8.54                80
 07/09/2021   19:10:12   (   0.01,-137.09) (  -0.62,-134.24)  324.31                80