Simultaneous Nadir Overpasses (SNOs) between GOES-17 and LANDSAT-8
TLE Epoch: 2021 11 10.  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)
 11/10/2021   07:11:09   (   0.04,-137.20) (   0.53,-135.02)  249.41                80
 11/10/2021   19:32:24   (  -0.04,-137.20) (   0.58,-140.17)  337.16                80
 11/12/2021   19:20:12   (  -0.03,-137.20) (  -0.06,-137.21)    3.02                80
 11/14/2021   19:10:39   (  -0.03,-137.19) (  -0.63,-134.24)  335.07                80
 11/15/2021   07:32:02   (   0.03,-137.19) (  -0.48,-139.43)  255.06                80
 11/17/2021   07:17:11   (   0.03,-137.18) (   0.17,-136.47)   80.52                80
 11/19/2021   07:04:59   (   0.03,-137.17) (   0.82,-133.52)  415.45                80
 11/19/2021   19:26:13   (  -0.02,-137.16) (   0.29,-138.67)  171.66                80
 11/21/2021   19:16:40   (  -0.02,-137.13) (  -0.30,-135.70)  162.40                80
 11/22/2021   07:38:04   (   0.01,-137.13) (  -0.80,-140.89)  428.20                80
 11/23/2021   19:04:28   (  -0.01,-137.10) (  -0.96,-132.74)  495.73                80