Simultaneous Nadir Overpasses (SNOs) between GOES-17 and LANDSAT-8
TLE Epoch: 2021 1 29.  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)
 01/30/2021   19:10:25   (   0.00,-137.24) (  -0.62,-134.23)  342.21                80
 01/31/2021   07:31:50   (  -0.00,-137.24) (  -0.44,-139.43)  248.81                80
 02/02/2021   07:16:58   (  -0.00,-137.24) (   0.17,-136.47)   88.22                80
 02/02/2021   19:38:13   (   0.00,-137.25) (   0.96,-141.62)  497.21                80
 02/04/2021   07:04:46   (  -0.00,-137.25) (   0.77,-133.51)  424.59                80
 02/04/2021   19:26:02   (   0.00,-137.25) (   0.29,-138.67)  161.01                80
 02/06/2021   19:16:30   (   0.01,-137.25) (  -0.32,-135.71)  174.40                80
 02/07/2021   07:37:54   (  -0.01,-137.24) (  -0.79,-140.90)  416.92                80
 02/09/2021   07:25:42   (  -0.01,-137.22) (  -0.17,-137.94)   82.36                80
 02/11/2021   07:10:50   (  -0.01,-137.20) (   0.44,-134.98)  251.92                80
 02/11/2021   19:32:06   (   0.01,-137.20) (   0.62,-140.15)  334.37                80