Simultaneous Nadir Overpasses (SNOs) between GOES-17 and LANDSAT-8
TLE Epoch: 2021 6 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)
 06/26/2021   07:19:23   (  -0.02,-137.19) (   0.15,-136.49)   80.16                80
 06/28/2021   07:07:12   (  -0.02,-137.19) (   0.77,-133.54)  415.89                80
 06/28/2021   19:25:47   (   0.02,-137.19) (   0.36,-138.68)  169.99                80
 06/30/2021   19:16:16   (   0.01,-137.19) (  -0.27,-135.72)  165.73                80
 07/01/2021   07:35:01   (  -0.01,-137.18) (  -0.80,-140.92)  425.35                80
 07/03/2021   07:25:30   (  -0.01,-137.17) (  -0.17,-137.97)   90.01                80
 07/05/2021   07:10:39   (  -0.02,-137.16) (   0.47,-135.01)  244.81                80
 07/05/2021   19:31:54   (   0.02,-137.15) (   0.66,-140.16)  341.63                80
 07/07/2021   19:19:43   (   0.02,-137.13) (   0.02,-137.20)    7.93                80