Simultaneous Nadir Overpasses (SNOs) between GOES-17 and LANDSAT-8
TLE Epoch: 2020 9 21.  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)
 09/22/2020   19:20:06   (  -0.04,-137.20) (  -0.03,-137.22)    1.99                80
 09/24/2020   19:10:35   (  -0.04,-137.21) (  -0.64,-134.26)  334.91                80
 09/25/2020   07:32:00   (   0.04,-137.21) (  -0.42,-139.46)  254.88                80
 09/27/2020   07:17:09   (   0.03,-137.21) (   0.19,-136.50)   81.13                80
 09/29/2020   07:04:58   (   0.03,-137.20) (   0.81,-133.54)  416.93                80
 09/29/2020   19:26:14   (  -0.03,-137.20) (   0.27,-138.70)  170.18                80
 10/01/2020   19:16:43   (  -0.03,-137.19) (  -0.35,-135.74)  165.26                80
 10/02/2020   07:38:07   (   0.03,-137.19) (  -0.77,-140.93)  424.60                80
 10/04/2020   07:25:56   (   0.03,-137.18) (  -0.15,-137.97)   89.89                80