Simultaneous Nadir Overpasses (SNOs) between GOES-17 and LANDSAT-8
TLE Epoch: 2021 5 16.  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)
 05/18/2021   07:13:01   (  -0.04,-137.20) (   0.41,-135.01)  248.32                80
 05/18/2021   19:31:36   (   0.03,-137.20) (   0.68,-140.17)  338.13                80
 05/20/2021   19:19:27   (   0.03,-137.20) (   0.05,-137.22)    2.85                80
 05/22/2021   19:09:57   (   0.03,-137.19) (  -0.59,-134.26)  332.78                80
 05/23/2021   07:28:41   (  -0.03,-137.19) (  -0.49,-139.46)  257.84                80
 05/25/2021   07:19:10   (  -0.03,-137.17) (   0.09,-136.50)   76.49                80
 05/27/2021   07:07:01   (  -0.02,-137.15) (   0.73,-133.54)  409.67                80
 05/27/2021   19:25:36   (   0.02,-137.14) (   0.36,-138.70)  177.71                80
 05/29/2021   19:16:06   (   0.01,-137.11) (  -0.28,-135.75)  154.61                80
 05/30/2021   07:37:30   (  -0.01,-137.10) (  -0.84,-140.93)  436.51                80