Simultaneous Nadir Overpasses (SNOs) between GOES-17 and LANDSAT-8
TLE Epoch: 2021 10 10.  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)
 10/11/2021   19:20:14   (  -0.05,-137.19) (  -0.04,-137.22)    4.02                80
 10/13/2021   19:10:43   (  -0.04,-137.16) (  -0.66,-134.27)  329.64                80
 10/14/2021   07:32:07   (   0.04,-137.16) (  -0.46,-139.45)  261.27                80
 10/16/2021   07:17:16   (   0.03,-137.13) (   0.17,-136.50)   72.16                80
 10/18/2021   07:05:05   (   0.03,-137.11) (   0.80,-133.54)  405.46                80
 10/18/2021   19:26:20   (  -0.03,-137.10) (   0.33,-138.69)  181.84                80
 10/20/2021   19:16:49   (  -0.03,-137.07) (  -0.30,-135.74)  151.03                80
 10/21/2021   07:38:13   (   0.03,-137.06) (  -0.82,-140.92)  440.03                80
 10/22/2021   19:04:38   (  -0.03,-137.03) (  -0.94,-132.78)  483.24                80
 10/23/2021   07:23:22   (   0.03,-137.02) (  -0.17,-137.97)  107.99                80