Simultaneous Nadir Overpasses (SNOs) between GOES-17 and LANDSAT-8
TLE Epoch: 2020 12 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)
 12/13/2020   19:07:59   (  -0.03,-137.23) (  -0.69,-134.26)  337.60                80
 12/14/2020   07:32:03   (   0.03,-137.22) (  -0.43,-139.45)  253.13                80
 12/16/2020   07:17:11   (   0.03,-137.21) (   0.17,-136.49)   82.08                80
 12/18/2020   07:05:00   (   0.03,-137.20) (   0.83,-133.54)  417.01                80
 12/18/2020   19:28:55   (  -0.02,-137.20) (   0.29,-138.69)  169.37                80
 12/20/2020   19:14:03   (  -0.02,-137.18) (  -0.32,-135.73)  165.41                80
 12/21/2020   07:38:07   (   0.02,-137.18) (  -0.80,-140.92)  425.50                80
 12/22/2020   19:04:31   (  -0.02,-137.17) (  -0.93,-132.77)  499.90                80
 12/23/2020   07:25:55   (   0.02,-137.16) (  -0.18,-137.96)   91.18                80
 12/25/2020   07:11:04   (   0.02,-137.14) (   0.50,-135.01)  242.75                80
 12/25/2020   19:32:19   (  -0.02,-137.13) (   0.63,-140.16)  344.15                80