Simultaneous Nadir Overpasses (SNOs) between GOES-17 and LANDSAT-8
TLE Epoch: 2021 6 3.  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)
 06/03/2021   07:13:09   (  -0.03,-137.19) (   0.40,-135.02)  246.28                80
 06/03/2021   19:31:45   (   0.03,-137.20) (   0.68,-140.17)  339.19                80
 06/05/2021   19:21:19   (   0.03,-137.19) (   0.03,-137.22)    3.82                24
 06/07/2021   19:10:04   (   0.03,-137.18) (  -0.57,-134.26)  331.38                80
 06/08/2021   07:28:49   (  -0.03,-137.17) (  -0.50,-139.46)  260.41                80
 06/10/2021   07:19:18   (  -0.03,-137.15) (   0.10,-136.50)   73.52                80
 06/12/2021   07:04:28   (  -0.02,-137.12) (   0.77,-133.55)  406.57                80
 06/12/2021   19:25:43   (   0.02,-137.12) (   0.38,-138.69)  179.79                80
 06/14/2021   19:16:13   (   0.01,-137.08) (  -0.29,-135.75)  152.45                80
 06/15/2021   07:37:36   (  -0.01,-137.06) (  -0.84,-140.93)  439.77                80
 06/16/2021   19:04:02   (   0.01,-137.04) (  -0.89,-132.78)  484.21                80