Simultaneous Nadir Overpasses (SNOs) between GOES-17 and LANDSAT-8
TLE Epoch: 2021 10 13.  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)
 10/13/2021   19:10:43   (  -0.05,-137.20) (  -0.66,-134.27)  333.27                80
 10/14/2021   07:32:07   (   0.05,-137.20) (  -0.46,-139.45)  256.62                80
 10/16/2021   07:17:16   (   0.04,-137.20) (   0.17,-136.50)   79.31                80
 10/18/2021   07:05:05   (   0.04,-137.20) (   0.80,-133.54)  415.00                80
 10/18/2021   19:26:21   (  -0.04,-137.19) (   0.27,-138.70)  172.08                80
 10/20/2021   19:16:50   (  -0.04,-137.18) (  -0.37,-135.75)  163.23                80
 10/21/2021   07:38:14   (   0.04,-137.18) (  -0.75,-140.94)  426.75                80
 10/22/2021   19:04:38   (  -0.04,-137.17) (  -0.95,-132.78)  497.88                80
 10/23/2021   07:26:03   (   0.04,-137.17) (  -0.11,-137.98)   92.31                80
 10/25/2021   07:11:11   (   0.03,-137.14) (   0.48,-135.02)  241.49                80
 10/25/2021   19:32:26   (  -0.03,-137.13) (   0.59,-140.18)  346.35                80