Simultaneous Nadir Overpasses (SNOs) between GOES-17 and LANDSAT-8
TLE Epoch: 2019 7 24.  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)
 07/25/2019   07:04:40   (   0.00,-137.20) (   0.78,-133.52)  418.15                80
 07/25/2019   19:25:55   (   0.00,-137.20) (   0.31,-138.68)  167.41                80
 07/27/2019   19:16:25   (   0.00,-137.19) (  -0.31,-135.72)  167.23                80
 07/28/2019   07:37:50   (  -0.00,-137.18) (  -0.78,-140.92)  424.28                80
 07/30/2019   07:25:40   (  -0.00,-137.16) (  -0.18,-137.96)   91.07                80
 08/01/2019   07:10:51   (   0.00,-137.13) (   0.46,-135.01)  241.20                80
 08/01/2019   19:34:47   (   0.00,-137.13) (   0.64,-140.17)  345.47                80
 08/03/2019   19:19:58   (  -0.00,-137.10) (   0.02,-137.22)   13.88                80
 08/05/2019   19:07:49   (  -0.01,-137.06) (  -0.60,-134.27)  317.36                80
 08/06/2019   07:31:54   (  -0.00,-137.04) (  -0.50,-139.46)  274.58                80