Simultaneous Nadir Overpasses (SNOs) between GOES-17 and LANDSAT-8
TLE Epoch: 2021 8 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)
 08/20/2021   07:23:06   (   0.02,-137.17) (  -0.16,-137.96)   90.08                80
 08/22/2021   07:13:36   (   0.03,-137.15) (   0.52,-135.01)  243.99                80
 08/22/2021   19:32:11   (  -0.03,-137.15) (   0.62,-140.16)  342.41                80
 08/24/2021   19:20:00   (  -0.03,-137.13) (   0.00,-137.20)    8.64                80
 08/26/2021   19:10:29   (  -0.03,-137.11) (  -0.62,-134.24)  325.52                80
 08/27/2021   07:31:54   (   0.03,-137.10) (  -0.45,-139.44)  265.98                80
 08/29/2021   07:17:03   (   0.03,-137.07) (   0.18,-136.48)   67.14                80
 08/31/2021   07:04:51   (   0.03,-137.03) (   0.74,-133.51)  399.38                80
 08/31/2021   19:26:07   (  -0.03,-137.02) (   0.34,-138.67)  187.78                80