Simultaneous Nadir Overpasses (SNOs) between GOES-17 and LANDSAT-8
TLE Epoch: 2021 5 8.  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)
 05/09/2021   07:19:00   (  -0.05,-137.19) (   0.12,-136.49)   80.37                80
 05/11/2021   07:06:51   (  -0.04,-137.19) (   0.74,-133.53)  416.04                80
 05/11/2021   19:25:26   (   0.04,-137.20) (   0.35,-138.69)  169.57                80
 05/13/2021   19:15:56   (   0.04,-137.19) (  -0.27,-135.74)  165.09                80
 05/14/2021   07:34:40   (  -0.03,-137.17) (  -0.86,-140.92)  426.70                80
 05/15/2021   19:03:46   (   0.03,-137.17) (  -0.90,-132.78)  498.87                80
 05/16/2021   07:22:30   (  -0.03,-137.15) (  -0.23,-137.97)   93.14                80
 05/18/2021   07:13:00   (  -0.02,-137.13) (   0.41,-135.01)  239.89                80
 05/18/2021   19:31:36   (   0.02,-137.13) (   0.68,-140.17)  346.49                80
 05/20/2021   19:19:26   (   0.01,-137.09) (   0.04,-137.22)   14.06                80