Simultaneous Nadir Overpasses (SNOs) between GOES-17 and LANDSAT-8
TLE Epoch: 2021 10 21.  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)
 10/21/2021   07:38:14   (   0.05,-137.20) (  -0.73,-140.94)  425.53                80
 10/23/2021   07:26:02   (   0.05,-137.21) (  -0.15,-137.98)   88.04                80
 10/25/2021   07:11:11   (   0.04,-137.21) (   0.50,-135.02)  248.86                80
 10/25/2021   19:32:27   (  -0.04,-137.21) (   0.56,-140.19)  337.28                80
 10/27/2021   19:20:15   (  -0.04,-137.21) (  -0.03,-137.22)    1.52                80
 10/29/2021   19:10:44   (  -0.03,-137.20) (  -0.68,-134.27)  334.19                80
 10/30/2021   07:32:08   (   0.03,-137.20) (  -0.44,-139.46)  256.49                80
 11/01/2021   07:17:16   (   0.02,-137.18) (   0.16,-136.49)   78.33                80
 11/03/2021   07:05:04   (   0.02,-137.16) (   0.77,-133.53)  412.54                80
 11/03/2021   19:26:20   (  -0.02,-137.16) (   0.30,-138.69)  174.42                80