Simultaneous Nadir Overpasses (SNOs) between GOES-17 and LANDSAT-8
TLE Epoch: 2021 10 19.  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)
 10/20/2021   19:16:50   (  -0.05,-137.19) (  -0.35,-135.75)  164.18                80
 10/21/2021   07:38:13   (   0.05,-137.18) (  -0.77,-140.93)  426.87                80
 10/22/2021   19:04:39   (  -0.05,-137.18) (  -1.00,-132.79)  498.85                80
 10/23/2021   07:26:02   (   0.04,-137.17) (  -0.13,-137.98)   92.39                80
 10/25/2021   07:11:12   (   0.04,-137.14) (   0.52,-135.03)  241.39                80
 10/25/2021   19:32:26   (  -0.04,-137.14) (   0.61,-140.18)  345.36                80
 10/27/2021   19:20:14   (  -0.03,-137.11) (   0.02,-137.21)   12.79                80
 10/29/2021   19:10:43   (  -0.03,-137.07) (  -0.64,-134.26)  319.92                80
 10/30/2021   07:32:07   (   0.02,-137.06) (  -0.48,-139.45)  271.74                80
 11/01/2021   07:17:15   (   0.02,-137.01) (   0.12,-136.48)   60.02                80