Simultaneous Nadir Overpasses (SNOs) between GOES-17 and LANDSAT-8
TLE Epoch: 2021 1 27.  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)
 01/28/2021   19:22:37   (   0.00,-137.24) (  -0.01,-137.19)    6.10                80
 01/30/2021   19:10:26   (   0.00,-137.26) (  -0.67,-134.24)  343.78                80
 01/31/2021   07:31:50   (  -0.00,-137.25) (  -0.44,-139.43)  247.11                80
 02/02/2021   07:16:58   (  -0.00,-137.26) (   0.16,-136.47)   89.94                80
 02/02/2021   19:38:14   (   0.00,-137.27) (   0.91,-141.63)  495.55                80
 02/04/2021   07:04:46   (  -0.00,-137.26) (   0.77,-133.51)  426.37                80
 02/04/2021   19:26:02   (   0.01,-137.27) (   0.30,-138.67)  159.29                80
 02/06/2021   19:16:30   (   0.01,-137.26) (  -0.31,-135.71)  176.19                80
 02/07/2021   07:37:54   (  -0.01,-137.25) (  -0.80,-140.90)  415.01                80
 02/09/2021   07:25:42   (  -0.02,-137.24) (  -0.18,-137.94)   80.41                80