Simultaneous Nadir Overpasses (SNOs) between GOES-17 and LANDSAT-8
TLE Epoch: 2020 8 10.  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)
 08/10/2020   07:19:28   (   0.01,-137.16) (   0.13,-136.46)   78.85                80
 08/12/2020   07:07:17   (   0.01,-137.15) (   0.76,-133.50)  414.61                80
 08/12/2020   19:25:53   (  -0.01,-137.16) (   0.30,-138.67)  170.93                80
 08/14/2020   19:16:21   (   0.01,-137.14) (  -0.27,-135.69)  164.21                80
 08/15/2020   07:35:06   (  -0.02,-137.13) (  -0.80,-140.89)  427.65                80
 08/16/2020   19:01:30   (   0.00,-137.12) (  -0.91,-132.74)  497.75                80
 08/17/2020   07:22:55   (  -0.00,-137.10) (  -0.16,-137.94)   94.37                80
 08/19/2020   07:13:23   (  -0.00,-137.07) (   0.42,-134.97)  238.63                80
 08/19/2020   19:31:59   (   0.00,-137.07) (   0.65,-140.13)  347.55                80
 08/21/2020   19:19:48   (  -0.00,-137.04) (   0.01,-137.17)   15.28                80
 08/23/2020   19:10:16   (  -0.00,-136.99) (  -0.57,-134.20)  316.81                80