Simultaneous Nadir Overpasses (SNOs) between GOES-17 and LANDSAT-8
TLE Epoch: 2021 5 14.  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)
 05/14/2021   07:34:41   (  -0.04,-137.20) (  -0.81,-140.93)  424.19                80
 05/16/2021   07:25:11   (  -0.04,-137.20) (  -0.18,-137.98)   88.24                80
 05/18/2021   07:10:21   (  -0.03,-137.19) (   0.45,-135.02)  247.12                80
 05/18/2021   19:31:37   (   0.03,-137.19) (   0.65,-140.18)  339.43                80
 05/20/2021   19:19:27   (   0.02,-137.18) (   0.01,-137.23)    5.06                80
 05/22/2021   19:09:57   (   0.02,-137.17) (  -0.62,-134.27)  329.68                80
 05/23/2021   07:28:41   (  -0.02,-137.16) (  -0.51,-139.46)  261.26                80
 05/25/2021   07:19:11   (  -0.02,-137.14) (   0.13,-136.50)   72.11                80
 05/27/2021   07:07:01   (  -0.01,-137.10) (   0.77,-133.55)  404.44                80
 05/27/2021   19:25:37   (   0.01,-137.09) (   0.33,-138.71)  183.06                80