Simultaneous Nadir Overpasses (SNOs) between GOES-17 and LANDSAT-8
TLE Epoch: 2021 5 7.  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)
 05/07/2021   07:28:30   (  -0.04,-137.18) (  -0.50,-139.45)  256.74                80
 05/09/2021   07:19:01   (  -0.04,-137.17) (   0.12,-136.49)   78.21                80
 05/11/2021   07:06:51   (  -0.04,-137.16) (   0.73,-133.53)  412.48                80
 05/11/2021   19:25:26   (   0.04,-137.17) (   0.36,-138.69)  173.17                80
 05/13/2021   19:15:56   (   0.03,-137.14) (  -0.26,-135.73)  160.06                80
 05/14/2021   07:34:41   (  -0.03,-137.12) (  -0.81,-140.93)  432.40                80
 05/15/2021   19:03:46   (   0.03,-137.11) (  -0.88,-132.78)  492.42                80
 05/16/2021   07:22:31   (  -0.02,-137.09) (  -0.19,-137.98)  100.26                80
 05/18/2021   07:13:01   (  -0.02,-137.05) (   0.44,-135.02)  231.29                80
 05/18/2021   19:31:37   (   0.02,-137.05) (   0.66,-140.18)  355.16                80
 05/20/2021   19:19:27   (   0.01,-137.01) (   0.03,-137.22)   24.38                80