Simultaneous Nadir Overpasses (SNOs) between GOES-17 and LANDSAT-8
TLE Epoch: 2021 5 23.  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)
 05/23/2021   07:28:41   (  -0.04,-137.19) (  -0.50,-139.46)  257.65                80
 05/25/2021   07:19:11   (  -0.04,-137.17) (   0.13,-136.50)   76.94                80
 05/27/2021   07:07:00   (  -0.03,-137.15) (   0.72,-133.54)  410.37                80
 05/27/2021   19:25:36   (   0.03,-137.15) (   0.37,-138.70)  176.02                80
 05/29/2021   19:16:06   (   0.03,-137.12) (  -0.27,-135.74)  156.60                80
 05/30/2021   07:37:30   (  -0.02,-137.11) (  -0.86,-140.93)  435.38                80
 05/31/2021   19:03:56   (   0.02,-137.09) (  -0.92,-132.79)  489.00                80
 06/01/2021   07:25:20   (  -0.02,-137.07) (  -0.21,-137.98)  103.00                80
 06/03/2021   07:10:30   (  -0.02,-137.04) (   0.44,-135.03)  229.37                80
 06/03/2021   19:31:45   (   0.01,-137.03) (   0.71,-140.17)  357.40                80
 06/05/2021   19:19:35   (   0.01,-137.00) (   0.05,-137.22)   25.42                80