Simultaneous Nadir Overpasses (SNOs) between GOES-17 and LANDSAT-8
TLE Epoch: 2021 12 7.  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)
 12/07/2021   19:14:05   (  -0.03,-137.20) (  -0.32,-135.73)  166.95                80
 12/08/2021   07:38:09   (   0.03,-137.20) (  -0.74,-140.93)  423.06                80
 12/10/2021   07:25:58   (   0.02,-137.20) (  -0.14,-137.96)   86.53                80
 12/12/2021   07:11:06   (   0.02,-137.20) (   0.46,-135.00)  249.91                80
 12/12/2021   19:35:01   (  -0.02,-137.20) (   0.60,-140.16)  336.63                80
 12/14/2021   19:22:49   (  -0.02,-137.20) (  -0.01,-137.20)    1.48                80
 12/16/2021   19:10:37   (  -0.02,-137.19) (  -0.62,-134.24)  334.59                80
 12/17/2021   07:32:01   (   0.02,-137.19) (  -0.49,-139.43)  255.78                80
 12/19/2021   07:17:09   (   0.01,-137.17) (   0.13,-136.47)   78.72                80