Simultaneous Nadir Overpasses (SNOs) between GOES-17 and LANDSAT-8
TLE Epoch: 2021 7 24.  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)
 07/25/2021   19:10:18   (  -0.00,-137.17) (  -0.62,-134.24)  333.38                80
 07/26/2021   07:29:02   (   0.01,-137.16) (  -0.47,-139.43)  258.99                80
 07/28/2021   07:19:32   (   0.02,-137.14) (   0.18,-136.48)   74.90                80
 07/30/2021   07:07:21   (   0.02,-137.11) (   0.77,-133.52)  408.54                80
 07/30/2021   19:25:57   (  -0.02,-137.12) (   0.31,-138.68)  177.27                80
 08/01/2021   19:16:26   (  -0.01,-137.09) (  -0.29,-135.72)  155.81                80
 08/02/2021   07:35:11   (   0.01,-137.07) (  -0.79,-140.91)  436.64                80
 08/03/2021   19:04:15   (   0.00,-137.05) (  -0.88,-132.75)  488.30                80
 08/04/2021   07:25:40   (  -0.02,-137.03) (  -0.19,-137.95)  104.06                80
 08/06/2021   07:10:49   (  -0.01,-136.99) (   0.41,-134.99)  226.92                80
 08/06/2021   19:32:05   (   0.01,-136.98) (   0.67,-140.15)  359.75                80