Simultaneous Nadir Overpasses (SNOs) between GOES-17 and LANDSAT-8
TLE Epoch: 2021 3 3.  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)
 03/03/2021   19:07:34   (   0.03,-137.23) (  -0.58,-134.22)  341.24                80
 03/04/2021   07:31:38   (  -0.03,-137.21) (  -0.53,-139.41)  250.80                80
 03/06/2021   07:16:46   (  -0.03,-137.20) (   0.12,-136.46)   84.33                80
 03/08/2021   07:04:34   (  -0.03,-137.19) (   0.78,-133.51)  418.82                80
 03/08/2021   19:25:49   (   0.03,-137.20) (   0.33,-138.66)  166.51                80
 03/10/2021   19:16:16   (   0.02,-137.18) (  -0.26,-135.70)  167.61                80
 03/11/2021   07:37:40   (  -0.02,-137.16) (  -0.84,-140.89)  424.81                80
 03/13/2021   07:25:28   (  -0.02,-137.14) (  -0.18,-137.94)   90.81                80
 03/15/2021   07:10:35   (  -0.02,-137.11) (   0.43,-134.97)  243.02                80
 03/15/2021   19:31:50   (   0.02,-137.12) (   0.68,-140.13)  342.70                80