Simultaneous Nadir Overpasses (SNOs) between GOES-17 and LANDSAT-8
TLE Epoch: 2020 9 4.  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)
 09/04/2020   07:13:35   (   0.04,-137.17) (   0.47,-135.00)  245.94                80
 09/04/2020   19:32:11   (  -0.04,-137.18) (   0.61,-140.16)  340.18                80
 09/06/2020   19:20:01   (  -0.04,-137.16) (  -0.05,-137.21)    6.23                80
 09/08/2020   19:10:30   (  -0.04,-137.13) (  -0.64,-134.25)  327.48                80
 09/09/2020   07:29:15   (   0.04,-137.12) (  -0.43,-139.45)  264.40                80
 09/11/2020   07:19:44   (   0.04,-137.09) (   0.17,-136.49)   68.01                80
 09/13/2020   07:07:33   (   0.03,-137.04) (   0.77,-133.53)  399.54                80
 09/13/2020   19:26:09   (  -0.03,-137.04) (   0.31,-138.69)  187.52                80
 09/15/2020   19:16:38   (  -0.03,-136.99) (  -0.29,-135.73)  143.30                80
 09/16/2020   07:38:02   (   0.03,-136.97) (  -0.83,-140.91)  448.97                80
 09/17/2020   19:04:27   (  -0.03,-136.93) (  -0.89,-132.76)  473.59                80