Simultaneous Nadir Overpasses (SNOs) between GOES-17 and LANDSAT-8
TLE Epoch: 2020 12 12.  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,-137.22) (  -0.68,-134.26)  337.29                80
 12/14/2020   07:32:03   (   0.02,-137.22) (  -0.44,-139.45)  253.61                80
 12/16/2020   07:17:11   (   0.02,-137.20) (   0.16,-136.49)   81.08                80
 12/18/2020   07:04:59   (   0.02,-137.18) (   0.77,-133.52)  415.49                80
 12/18/2020   19:26:15   (  -0.02,-137.18) (   0.30,-138.69)  171.08                80
 12/20/2020   19:16:43   (  -0.02,-137.16) (  -0.31,-135.73)  163.16                80
 12/21/2020   07:38:07   (   0.01,-137.16) (  -0.80,-140.92)  427.90                80
 12/22/2020   19:04:31   (  -0.01,-137.14) (  -0.92,-132.76)  497.12                80
 12/23/2020   07:25:55   (   0.01,-137.13) (  -0.19,-137.95)   94.07                80
 12/25/2020   07:11:03   (   0.01,-137.10) (   0.43,-134.99)  239.36                80
 12/25/2020   19:32:19   (  -0.01,-137.10) (   0.64,-140.16)  347.70                80