Simultaneous Nadir Overpasses (SNOs) between GOES-17 and LANDSAT-8
TLE Epoch: 2020 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)
 12/27/2020   19:20:07   (  -0.02,-137.23) (  -0.02,-137.21)    2.75                80
 12/29/2020   19:10:35   (  -0.02,-137.23) (  -0.64,-134.25)  338.55                80
 12/30/2020   07:31:59   (   0.02,-137.22) (  -0.46,-139.44)  252.39                80
 01/01/2021   07:17:07   (   0.02,-137.21) (   0.16,-136.48)   82.57                80
 01/03/2021   07:04:55   (   0.02,-137.19) (   0.79,-133.52)  417.02                80
 01/03/2021   19:26:10   (  -0.02,-137.19) (   0.33,-138.67)  169.51                80
 01/05/2021   19:16:38   (  -0.01,-137.16) (  -0.31,-135.71)  164.50                80
 01/06/2021   07:38:02   (   0.01,-137.15) (  -0.79,-140.91)  426.71                80
 01/07/2021   19:04:26   (  -0.02,-137.13) (  -0.95,-132.76)  497.72                80
 01/08/2021   07:25:50   (   0.02,-137.12) (  -0.15,-137.95)   93.71                80