Simultaneous Nadir Overpasses (SNOs) between GOES-17 and LANDSAT-8
TLE Epoch: 2021 6 7.  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)
 06/07/2021   19:10:04   (   0.03,-137.17) (  -0.60,-134.27)  330.70                80
 06/08/2021   07:28:48   (  -0.03,-137.16) (  -0.53,-139.45)  261.00                80
 06/10/2021   07:19:18   (  -0.03,-137.13) (   0.13,-136.50)   72.50                80
 06/12/2021   07:07:07   (  -0.03,-137.10) (   0.73,-133.54)  405.06                80
 06/12/2021   19:25:43   (   0.02,-137.10) (   0.35,-138.70)  181.61                80
 06/14/2021   19:16:12   (   0.02,-137.06) (  -0.25,-135.74)  150.17                80
 06/15/2021   07:34:57   (  -0.02,-137.04) (  -0.82,-140.94)  442.05                80
 06/16/2021   19:04:02   (   0.02,-137.01) (  -0.91,-132.79)  481.47                80
 06/17/2021   07:22:46   (  -0.02,-137.00) (  -0.21,-137.97)  110.86                80
 06/19/2021   07:13:15   (  -0.01,-136.95) (   0.40,-135.01)  219.86                80
 06/19/2021   19:31:51   (   0.01,-136.94) (   0.68,-140.17)  367.36                80