Simultaneous Nadir Overpasses (SNOs) between GOES-17 and LANDSAT-8
TLE Epoch: 2021 6 17.  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)
 06/17/2021   07:22:46   (  -0.02,-137.20) (  -0.19,-137.97)   88.14                80
 06/19/2021   07:13:15   (  -0.02,-137.20) (   0.42,-135.01)  247.84                80
 06/19/2021   19:31:51   (   0.02,-137.20) (   0.66,-140.17)  338.73                80
 06/21/2021   19:19:40   (   0.02,-137.18) (   0.04,-137.21)    3.83                80
 06/23/2021   19:10:09   (   0.03,-137.16) (  -0.58,-134.25)  330.42                80
 06/24/2021   07:28:54   (  -0.02,-137.16) (  -0.49,-139.45)  260.59                80
 06/26/2021   07:19:23   (  -0.02,-137.13) (   0.13,-136.49)   72.64                80
 06/28/2021   07:07:12   (  -0.02,-137.10) (   0.76,-133.53)  405.55                80
 06/28/2021   19:25:47   (   0.02,-137.09) (   0.38,-138.68)  181.71                80
 06/30/2021   19:16:16   (   0.02,-137.06) (  -0.25,-135.72)  151.19                80