Simultaneous Nadir Overpasses (SNOs) between GOES-17 and LANDSAT-8
TLE Epoch: 2021 5 27.  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)
 05/29/2021   19:16:06   (   0.03,-137.20) (  -0.29,-135.75)  165.73                80
 05/30/2021   07:37:30   (  -0.03,-137.19) (  -0.84,-140.93)  425.88                80
 06/01/2021   07:25:20   (  -0.03,-137.19) (  -0.19,-137.98)   90.33                80
 06/03/2021   07:10:30   (  -0.02,-137.18) (   0.46,-135.03)  245.19                80
 06/03/2021   19:31:45   (   0.02,-137.19) (   0.69,-140.17)  340.36                80
 06/05/2021   19:19:35   (   0.02,-137.18) (   0.03,-137.22)    5.19                80
 06/07/2021   19:10:05   (   0.02,-137.16) (  -0.63,-134.27)  329.34                80
 06/08/2021   07:31:29   (  -0.02,-137.15) (  -0.50,-139.46)  262.47                80
 06/10/2021   07:16:38   (  -0.01,-137.13) (   0.11,-136.50)   70.97                80