Simultaneous Nadir Overpasses (SNOs) between GOES-17 and LANDSAT-8
TLE Epoch: 2019 12 28.  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)
 12/28/2019   07:29:16   (  -0.02,-137.20) (  -0.49,-139.42)  252.41                80
 12/30/2019   07:19:44   (  -0.03,-137.20) (   0.13,-136.46)   84.31                80
 01/01/2020   07:07:32   (  -0.03,-137.20) (   0.76,-133.50)  420.71                80
 01/01/2020   19:26:07   (   0.03,-137.20) (   0.36,-138.65)  166.06                80
 01/03/2020   19:16:35   (   0.03,-137.19) (  -0.26,-135.69)  169.73                80
 01/04/2020   07:35:18   (  -0.03,-137.19) (  -0.84,-140.88)  420.71                80
 01/06/2020   07:23:07   (  -0.03,-137.18) (  -0.21,-137.93)   85.89                80
 01/08/2020   07:13:35   (  -0.03,-137.15) (   0.42,-134.97)  248.12                80
 01/08/2020   19:32:10   (   0.02,-137.14) (   0.64,-140.13)  339.48                80
 01/10/2020   19:19:57   (   0.03,-137.11) (   0.07,-137.16)    7.23                80