Simultaneous Nadir Overpasses (SNOs) between GOES-17 and LANDSAT-8
TLE Epoch: 2021 5 22.  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)
 05/22/2021   19:09:57   (   0.04,-137.20) (  -0.60,-134.27)  333.82                80
 05/23/2021   07:28:41   (  -0.04,-137.19) (  -0.53,-139.45)  257.54                80
 05/25/2021   07:19:11   (  -0.04,-137.17) (   0.11,-136.50)   76.95                80
 05/27/2021   07:07:01   (  -0.03,-137.15) (   0.75,-133.55)  410.43                80
 05/27/2021   19:25:36   (   0.03,-137.15) (   0.34,-138.70)  176.14                80
 05/29/2021   19:16:06   (   0.03,-137.12) (  -0.25,-135.74)  156.49                80
 05/30/2021   07:37:30   (  -0.02,-137.11) (  -0.82,-140.94)  435.36                80
 05/31/2021   19:03:56   (   0.02,-137.09) (  -0.89,-132.79)  488.83                80
 06/01/2021   07:25:19   (  -0.02,-137.07) (  -0.24,-137.97)  103.04                80
 06/03/2021   07:10:29   (  -0.02,-137.04) (   0.42,-135.02)  229.33                80
 06/03/2021   19:31:45   (   0.01,-137.03) (   0.67,-140.18)  357.58                80