Simultaneous Nadir Overpasses (SNOs) between GOES-17 and LANDSAT-8
TLE Epoch: 2021 10 31.  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)
 11/01/2021   07:17:16   (   0.04,-137.21) (   0.17,-136.50)   81.13                80
 11/03/2021   07:05:05   (   0.04,-137.20) (   0.84,-133.55)  416.26                80
 11/03/2021   19:26:20   (  -0.04,-137.21) (   0.28,-138.70)  169.55                80
 11/05/2021   19:16:48   (  -0.04,-137.19) (  -0.34,-135.73)  164.61                80
 11/06/2021   07:38:12   (   0.04,-137.17) (  -0.78,-140.92)  427.19                80
 11/07/2021   19:04:36   (  -0.04,-137.15) (  -0.96,-132.77)  497.84                80
 11/08/2021   07:26:00   (   0.03,-137.14) (  -0.15,-137.96)   94.17                80
 11/10/2021   07:11:08   (   0.03,-137.10) (   0.47,-135.00)  238.33                80
 11/10/2021   19:32:23   (  -0.02,-137.09) (   0.64,-140.15)  348.25                80
 11/12/2021   19:20:11   (  -0.02,-137.05) (   0.00,-137.20)   15.99                80