Simultaneous Nadir Overpasses (SNOs) between GOES-17 and LANDSAT-8
TLE Epoch: 2020 7 13.  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)
 07/13/2020   19:16:15   (  -0.00,-137.20) (  -0.30,-135.73)  167.35                80
 07/14/2020   07:34:59   (   0.00,-137.19) (  -0.77,-140.92)  423.87                80
 07/16/2020   07:22:48   (  -0.01,-137.18) (  -0.16,-137.96)   88.71                80
 07/18/2020   07:13:18   (  -0.02,-137.16) (   0.45,-135.00)  245.64                80
 07/18/2020   19:31:53   (   0.02,-137.16) (   0.63,-140.16)  340.73                80
 07/20/2020   19:19:42   (   0.01,-137.13) (   0.02,-137.20)    7.93                80
 07/22/2020   19:10:11   (   0.01,-137.09) (  -0.59,-134.24)  324.38                80
 07/23/2020   07:31:35   (  -0.01,-137.08) (  -0.53,-139.43)  267.57                80
 07/25/2020   07:16:44   (  -0.00,-137.04) (   0.09,-136.47)   64.32                80