Simultaneous Nadir Overpasses (SNOs) between GOES-17 and LANDSAT-8
TLE Epoch: 2021 12 3.  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)
 12/03/2021   07:17:12   (   0.04,-137.20) (   0.17,-136.48)   81.16                80
 12/05/2021   07:05:01   (   0.03,-137.19) (   0.82,-133.53)  416.26                80
 12/05/2021   19:28:56   (  -0.03,-137.19) (   0.31,-138.68)  170.09                80
 12/07/2021   19:16:45   (  -0.02,-137.17) (  -0.35,-135.73)  164.34                80
 12/08/2021   07:38:09   (   0.02,-137.17) (  -0.77,-140.92)  426.74                80
 12/09/2021   19:04:33   (  -0.02,-137.16) (  -0.94,-132.77)  498.58                80
 12/10/2021   07:25:57   (   0.02,-137.15) (  -0.17,-137.96)   92.53                80
 12/12/2021   07:11:06   (   0.02,-137.13) (   0.49,-135.01)  241.65                80
 12/12/2021   19:32:21   (  -0.02,-137.12) (   0.63,-140.16)  345.04                80
 12/14/2021   19:20:09   (  -0.01,-137.10) (   0.02,-137.20)   11.51                80
 12/16/2021   19:10:37   (  -0.01,-137.07) (  -0.59,-134.24)  321.73                80