Simultaneous Nadir Overpasses (SNOs) between GOES-17 and LANDSAT-8
TLE Epoch: 2021 12 2.  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)
 12/03/2021   07:17:12   (   0.04,-137.20) (   0.16,-136.48)   81.06                80
 12/05/2021   07:05:01   (   0.03,-137.19) (   0.81,-133.53)  416.02                80
 12/05/2021   19:26:17   (  -0.03,-137.19) (   0.26,-138.69)  170.29                80
 12/07/2021   19:16:45   (  -0.03,-137.17) (  -0.33,-135.73)  164.04                80
 12/08/2021   07:38:09   (   0.02,-137.16) (  -0.78,-140.92)  427.14                80
 12/09/2021   19:04:33   (  -0.02,-137.15) (  -0.93,-132.77)  498.18                80
 12/10/2021   07:25:57   (   0.02,-137.14) (  -0.18,-137.95)   93.08                80
 12/12/2021   07:11:06   (   0.02,-137.12) (   0.48,-135.00)  241.01                80
 12/12/2021   19:32:21   (  -0.02,-137.12) (   0.65,-140.15)  345.64                80
 12/14/2021   19:20:10   (  -0.01,-137.09) (  -0.02,-137.21)   12.54                80