Simultaneous Nadir Overpasses (SNOs) between GOES-17 and LANDSAT-8
TLE Epoch: 2019 12 27.  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)
 12/27/2019   19:10:32   (   0.02,-137.20) (  -0.63,-134.23)  338.17                80
 12/28/2019   07:29:16   (  -0.02,-137.20) (  -0.48,-139.42)  251.89                80
 12/30/2019   07:19:44   (  -0.03,-137.21) (   0.14,-136.46)   85.43                80
 01/01/2020   07:07:32   (  -0.04,-137.21) (   0.76,-133.50)  422.41                80
 01/01/2020   19:26:07   (   0.03,-137.21) (   0.36,-138.65)  164.06                80
 01/03/2020   19:16:35   (   0.04,-137.21) (  -0.27,-135.69)  172.30                80
 01/04/2020   07:35:19   (  -0.03,-137.21) (  -0.83,-140.89)  418.11                80
 01/06/2020   07:23:07   (  -0.03,-137.20) (  -0.20,-137.93)   82.69                80
 01/08/2020   07:13:35   (  -0.03,-137.19) (   0.43,-134.97)  251.89                80
 01/08/2020   19:32:10   (   0.03,-137.18) (   0.64,-140.13)  335.42                80