Simultaneous Nadir Overpasses (SNOs) between GOES-17 and LANDSAT-8
TLE Epoch: 2021 6 9.  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)
 06/10/2021   07:19:18   (  -0.03,-137.20) (   0.13,-136.50)   79.68                80
 06/12/2021   07:07:07   (  -0.03,-137.20) (   0.74,-133.54)  415.92                80
 06/12/2021   19:25:43   (   0.02,-137.20) (   0.35,-138.70)  170.58                80
 06/14/2021   19:16:12   (   0.02,-137.19) (  -0.26,-135.74)  164.88                80
 06/15/2021   07:34:57   (  -0.02,-137.19) (  -0.81,-140.94)  425.65                80
 06/16/2021   19:04:02   (   0.02,-137.18) (  -0.93,-132.79)  499.80                80
 06/17/2021   07:22:46   (  -0.02,-137.18) (  -0.20,-137.98)   90.82                80
 06/19/2021   07:13:15   (  -0.02,-137.16) (   0.41,-135.01)  243.58                80
 06/19/2021   19:31:51   (   0.01,-137.16) (   0.67,-140.17)  343.49                80
 06/21/2021   19:19:40   (   0.01,-137.13) (   0.06,-137.21)   10.57                80