Simultaneous Nadir Overpasses (SNOs) between GOES-17 and LANDSAT-8
TLE Epoch: 2021 8 25.  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)
 08/26/2021   19:10:29   (  -0.03,-137.21) (  -0.64,-134.24)  336.54                80
 08/27/2021   07:29:14   (   0.03,-137.20) (  -0.42,-139.44)  254.41                80
 08/29/2021   07:19:43   (   0.03,-137.20) (   0.20,-136.49)   81.53                80
 08/31/2021   07:07:32   (   0.03,-137.19) (   0.83,-133.53)  416.61                80
 08/31/2021   19:26:07   (  -0.03,-137.19) (   0.31,-138.68)  169.67                80
 09/02/2021   19:16:36   (  -0.03,-137.17) (  -0.32,-135.72)  164.48                80
 09/03/2021   07:38:00   (   0.03,-137.16) (  -0.79,-140.91)  426.87                80
 09/04/2021   19:04:25   (  -0.02,-137.14) (  -0.96,-132.76)  498.13                80
 09/05/2021   07:25:49   (   0.02,-137.13) (  -0.16,-137.95)   93.27                80
 09/07/2021   07:10:58   (   0.01,-137.10) (   0.48,-134.99)  239.73                80
 09/07/2021   19:32:13   (  -0.01,-137.09) (   0.66,-140.14)  347.18                80