Simultaneous Nadir Overpasses (SNOs) between GOES-17 and LANDSAT-8
TLE Epoch: 2021 8 28.  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)
 08/29/2021   07:19:44   (   0.03,-137.20) (   0.20,-136.49)   81.88                80
 08/31/2021   07:07:33   (   0.03,-137.21) (   0.80,-133.53)  418.81                80
 08/31/2021   19:26:08   (  -0.03,-137.22) (   0.28,-138.69)  166.22                80
 09/02/2021   19:16:39   (  -0.03,-137.22) (  -0.38,-135.74)  169.74                80
 09/03/2021   07:35:22   (   0.03,-137.21) (  -0.75,-140.92)  422.08                80
 09/05/2021   07:25:51   (   0.03,-137.20) (  -0.15,-137.96)   86.91                80
 09/07/2021   07:11:01   (   0.03,-137.19) (   0.51,-135.01)  247.91                80
 09/07/2021   19:32:16   (  -0.02,-137.20) (   0.64,-140.16)  337.67                80
 09/09/2021   19:20:06   (  -0.03,-137.18) (  -0.02,-137.21)    3.74                80