Simultaneous Nadir Overpasses (SNOs) between GOES-17 and LANDSAT-8
TLE Epoch: 2021 6 5.  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)
 06/05/2021   19:22:15   (   0.03,-137.19) (   0.02,-137.23)    4.51                80
 06/07/2021   19:10:04   (   0.03,-137.18) (  -0.58,-134.26)  330.97                80
 06/08/2021   07:28:49   (  -0.03,-137.16) (  -0.49,-139.46)  260.84                80
 06/10/2021   07:19:18   (  -0.03,-137.14) (   0.11,-136.50)   72.90                80
 06/12/2021   07:07:07   (  -0.02,-137.11) (   0.71,-133.54)  405.77                80
 06/12/2021   19:25:43   (   0.02,-137.11) (   0.37,-138.70)  180.66                80
 06/14/2021   19:16:13   (   0.01,-137.07) (  -0.30,-135.75)  151.39                80
 06/15/2021   07:34:57   (  -0.01,-137.05) (  -0.83,-140.93)  440.90                80
 06/16/2021   19:04:02   (   0.01,-137.03) (  -0.90,-132.78)  482.93                80
 06/17/2021   07:22:46   (  -0.01,-137.01) (  -0.22,-137.97)  109.44                80