Simultaneous Nadir Overpasses (SNOs) between GOES-17 and LANDSAT-8
TLE Epoch: 2020 10 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)
 10/22/2020   07:11:06   (   0.04,-137.18) (   0.53,-135.02)  246.87                80
 10/22/2020   19:32:20   (  -0.04,-137.17) (   0.60,-140.17)  340.30                80
 10/24/2020   19:20:09   (  -0.04,-137.15) (   0.00,-137.20)    6.82                80
 10/26/2020   19:10:38   (  -0.03,-137.13) (  -0.65,-134.25)  328.00                80
 10/27/2020   07:32:01   (   0.03,-137.13) (  -0.46,-139.44)  262.51                80
 10/29/2020   07:17:09   (   0.03,-137.10) (   0.14,-136.47)   71.16                80
 10/31/2020   07:04:58   (   0.03,-137.07) (   0.81,-133.52)  404.22                80
 10/31/2020   19:26:13   (  -0.03,-137.06) (   0.32,-138.67)  183.46                80
 11/02/2020   19:16:41   (  -0.03,-137.02) (  -0.29,-135.71)  148.76                80
 11/03/2020   07:38:05   (   0.02,-137.01) (  -0.82,-140.90)  442.20                80