Simultaneous Nadir Overpasses (SNOs) between GOES-17 and LANDSAT-8
TLE Epoch: 2021 11 9.  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   07:11:08   (   0.03,-137.20) (   0.49,-135.01)  249.49                80
 11/10/2021   19:32:23   (  -0.03,-137.20) (   0.62,-140.16)  337.29                80
 11/12/2021   19:22:51   (  -0.02,-137.19) (  -0.01,-137.20)    1.81                80
 11/14/2021   19:10:39   (  -0.02,-137.18) (  -0.65,-134.24)  334.31                80
 11/15/2021   07:32:03   (   0.02,-137.18) (  -0.46,-139.43)  255.77                80
 11/17/2021   07:17:11   (   0.02,-137.17) (   0.18,-136.48)   79.50                80
 11/19/2021   07:04:58   (   0.02,-137.15) (   0.77,-133.51)  414.09                80
 11/19/2021   19:26:13   (  -0.01,-137.14) (   0.34,-138.66)  173.25                80
 11/21/2021   19:16:41   (  -0.01,-137.11) (  -0.32,-135.70)  160.50                80
 11/22/2021   07:35:24   (   0.01,-137.11) (  -0.78,-140.89)  430.06                80