Simultaneous Nadir Overpasses (SNOs) between GOES-17 and LANDSAT-8
TLE Epoch: 2020 4 18.  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)
 04/18/2020   07:31:16   (  -0.03,-137.18) (  -0.49,-139.45)  257.17                80
 04/20/2020   07:16:23   (  -0.03,-137.18) (   0.09,-136.48)   79.07                80
 04/22/2020   07:04:11   (  -0.03,-137.18) (   0.73,-133.53)  414.75                80
 04/22/2020   19:25:26   (   0.03,-137.19) (   0.38,-138.68)  170.29                80
 04/24/2020   19:15:54   (   0.03,-137.18) (  -0.27,-135.73)  164.60                80
 04/25/2020   07:37:18   (  -0.03,-137.16) (  -0.84,-140.92)  427.80                80
 04/26/2020   19:03:42   (   0.03,-137.16) (  -0.91,-132.78)  498.48                80
 04/27/2020   07:25:06   (  -0.02,-137.14) (  -0.19,-137.97)   94.18                80
 04/29/2020   07:10:13   (  -0.02,-137.11) (   0.40,-135.01)  238.54                80
 04/29/2020   19:31:29   (   0.02,-137.12) (   0.65,-140.18)  347.52                80
 05/01/2020   19:19:16   (   0.01,-137.08) (   0.06,-137.21)   15.84                80