Simultaneous Nadir Overpasses (SNOs) between GOES-17 and LANDSAT-8
TLE Epoch: 2021 2 19.  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)
 02/20/2021   07:04:41   (  -0.03,-137.19) (   0.73,-133.50)  418.52                80
 02/20/2021   19:25:57   (   0.03,-137.19) (   0.33,-138.67)  167.40                80
 02/22/2021   19:16:25   (   0.03,-137.17) (  -0.31,-135.71)  165.98                80
 02/23/2021   07:37:49   (  -0.03,-137.15) (  -0.80,-140.90)  426.15                80
 02/24/2021   19:04:12   (   0.03,-137.13) (  -0.88,-132.74)  498.60                80
 02/25/2021   07:25:36   (  -0.02,-137.12) (  -0.23,-137.93)   93.82                80
 02/27/2021   07:13:24   (  -0.02,-137.08) (   0.41,-134.98)  238.11                80
 02/27/2021   19:32:00   (   0.02,-137.07) (   0.65,-140.14)  348.61                80
 03/01/2021   19:19:47   (   0.02,-137.03) (   0.07,-137.18)   17.29                80
 03/03/2021   19:10:15   (   0.02,-136.98) (  -0.57,-134.22)  313.58                80
 03/04/2021   07:28:58   (  -0.02,-136.96) (  -0.53,-139.41)  279.11                80