Simultaneous Nadir Overpasses (SNOs) between GOES-17 and LANDSAT-8
TLE Epoch: 2021 4 23.  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)
 04/23/2021   07:16:27   (  -0.04,-137.20) (   0.12,-136.49)   81.28                80
 04/25/2021   07:04:14   (  -0.04,-137.20) (   0.71,-133.52)  417.10                80
 04/25/2021   19:25:30   (   0.04,-137.20) (   0.34,-138.69)  168.74                80
 04/27/2021   19:15:57   (   0.04,-137.19) (  -0.26,-135.73)  166.19                80
 04/28/2021   07:37:21   (  -0.04,-137.18) (  -0.84,-140.92)  425.40                80
 04/30/2021   07:25:09   (  -0.03,-137.16) (  -0.18,-137.97)   91.78                80
 05/02/2021   07:10:16   (  -0.03,-137.13) (   0.42,-135.01)  241.21                80
 05/02/2021   19:31:31   (   0.02,-137.13) (   0.69,-140.16)  345.47                80
 05/04/2021   19:19:19   (   0.02,-137.10) (   0.02,-137.21)   12.97                80
 05/06/2021   19:09:46   (   0.02,-137.07) (  -0.59,-134.25)  319.88                80