Simultaneous Nadir Overpasses (SNOs) between GOES-17 and LANDSAT-8
TLE Epoch: 2020 10 18.  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)
 10/20/2020   07:25:57   (   0.04,-137.20) (  -0.12,-137.97)   87.63                80
 10/22/2020   07:11:05   (   0.04,-137.18) (   0.47,-135.00)  247.08                80
 10/22/2020   19:32:20   (  -0.04,-137.17) (   0.60,-140.17)  340.06                80
 10/24/2020   19:20:09   (  -0.03,-137.15) (   0.00,-137.20)    6.35                80
 10/26/2020   19:10:38   (  -0.03,-137.13) (  -0.65,-134.25)  328.31                80
 10/27/2020   07:32:01   (   0.02,-137.13) (  -0.46,-139.44)  262.20                80
 10/29/2020   07:17:09   (   0.02,-137.10) (   0.14,-136.47)   71.49                80
 10/31/2020   07:04:59   (   0.02,-137.07) (   0.80,-133.52)  404.60                80
 10/31/2020   19:26:13   (  -0.02,-137.06) (   0.33,-138.67)  183.08                80