Simultaneous Nadir Overpasses (SNOs) between GOES-17 and LANDSAT-8
TLE Epoch: 2019 12 26.  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   19:10:31   (   0.02,-137.17) (  -0.58,-134.22)  334.87                80
 12/28/2019   07:29:16   (  -0.02,-137.16) (  -0.47,-139.42)  256.45                80
 12/30/2019   07:19:43   (  -0.03,-137.14) (   0.09,-136.45)   77.62                80
 01/01/2020   07:07:31   (  -0.04,-137.11) (   0.71,-133.49)  411.23                80
 01/01/2020   19:26:07   (   0.03,-137.11) (   0.35,-138.65)  175.69                80
 01/03/2020   19:16:35   (   0.04,-137.08) (  -0.28,-135.70)  157.34                80
 01/04/2020   07:35:19   (  -0.03,-137.06) (  -0.83,-140.89)  434.35                80
 01/05/2020   19:04:23   (   0.04,-137.04) (  -0.90,-132.74)  489.65                80
 01/06/2020   07:23:07   (  -0.03,-137.02) (  -0.20,-137.93)  102.27                80
 01/08/2020   07:13:34   (  -0.03,-136.98) (   0.37,-134.96)  229.02                80
 01/08/2020   19:32:10   (   0.03,-136.97) (   0.69,-140.12)  358.71                80