Simultaneous Nadir Overpasses (SNOs) between GOES-17 and LANDSAT-8
TLE Epoch: 2021 8 8.  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)
 08/10/2021   19:10:26   (  -0.02,-137.20) (  -0.68,-134.26)  335.74                80
 08/11/2021   07:29:09   (   0.03,-137.19) (  -0.46,-139.44)  255.50                80
 08/13/2021   07:19:38   (   0.03,-137.19) (   0.15,-136.48)   79.92                80
 08/15/2021   07:07:28   (   0.02,-137.17) (   0.82,-133.53)  414.52                80
 08/15/2021   19:26:03   (  -0.02,-137.17) (   0.32,-138.68)  171.76                80
 08/17/2021   19:16:32   (  -0.02,-137.15) (  -0.30,-135.72)  161.74                80
 08/18/2021   07:35:17   (   0.02,-137.13) (  -0.77,-140.92)  430.12                80
 08/19/2021   19:04:22   (  -0.02,-137.11) (  -0.97,-132.77)  494.38                80
 08/20/2021   07:25:46   (   0.01,-137.10) (  -0.15,-137.96)   97.31                80
 08/22/2021   07:10:55   (   0.01,-137.06) (   0.47,-135.00)  235.31                80
 08/22/2021   19:32:10   (  -0.01,-137.06) (   0.68,-140.15)  351.40                80