Simultaneous Nadir Overpasses (SNOs) between GOES-17 and LANDSAT-8
TLE Epoch: 2021 9 3.  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)
 09/05/2021   07:23:11   (   0.04,-137.19) (  -0.12,-137.97)   87.90                80
 09/07/2021   07:13:40   (   0.04,-137.18) (   0.49,-135.01)  247.04                80
 09/07/2021   19:32:16   (  -0.04,-137.18) (   0.58,-140.17)  338.95                80
 09/09/2021   19:20:05   (  -0.04,-137.17) (  -0.03,-137.21)    4.67                80
 09/11/2021   19:10:34   (  -0.03,-137.14) (  -0.65,-134.25)  328.83                80
 09/12/2021   07:29:18   (   0.04,-137.13) (  -0.47,-139.44)  263.08                80
 09/14/2021   07:19:47   (   0.03,-137.09) (   0.16,-136.48)   69.26                80
 09/16/2021   07:07:36   (   0.03,-137.05) (   0.79,-133.52)  400.97                80
 09/16/2021   19:26:12   (  -0.02,-137.04) (   0.30,-138.68)  185.88                80