Simultaneous Nadir Overpasses (SNOs) between GOES-17 and LANDSAT-8
TLE Epoch: 2021 10 1.  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)
 10/02/2021   07:07:41   (   0.04,-137.22) (   0.80,-133.53)  418.78                80
 10/02/2021   19:26:17   (  -0.04,-137.23) (   0.28,-138.69)  166.45                80
 10/04/2021   19:14:07   (  -0.04,-137.25) (  -0.38,-135.75)  171.17                80
 10/05/2021   07:38:11   (   0.04,-137.24) (  -0.75,-140.93)  419.57                80
 10/07/2021   07:26:00   (   0.04,-137.25) (  -0.14,-137.97)   82.80                80
 10/09/2021   07:13:50   (   0.04,-137.25) (   0.54,-135.03)  253.23                80
 10/09/2021   19:32:25   (  -0.04,-137.25) (   0.60,-140.18)  332.66                80
 10/11/2021   19:22:54   (  -0.03,-137.24) (  -0.01,-137.22)    3.60                80
 10/13/2021   19:10:43   (  -0.03,-137.22) (  -0.63,-134.26)  336.46                80
 10/14/2021   07:32:07   (   0.03,-137.21) (  -0.42,-139.46)  255.07                80