Simultaneous Nadir Overpasses (SNOs) between GOES-17 and LANDSAT-8
TLE Epoch: 2021 11 16.  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)
 11/17/2021   07:17:11   (   0.04,-137.22) (   0.19,-136.48)   84.13                80
 11/19/2021   07:04:59   (   0.04,-137.21) (   0.84,-133.52)  420.41                80
 11/19/2021   19:26:14   (  -0.03,-137.21) (   0.27,-138.67)  165.70                80
 11/21/2021   19:16:41   (  -0.03,-137.20) (  -0.32,-135.70)  169.71                80
 11/22/2021   07:38:05   (   0.02,-137.20) (  -0.78,-140.89)  421.13                80
 11/24/2021   07:25:53   (   0.02,-137.17) (  -0.13,-137.94)   86.62                80
 11/26/2021   07:11:00   (   0.01,-137.15) (   0.47,-134.97)  247.40                80
 11/26/2021   19:32:14   (  -0.01,-137.14) (   0.64,-140.12)  339.50                80
 11/28/2021   19:20:02   (  -0.01,-137.11) (   0.03,-137.16)    6.87                80