Simultaneous Nadir Overpasses (SNOs) between GOES-17 and LANDSAT-8
TLE Epoch: 2021 7 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)
 07/28/2021   07:16:52   (   0.02,-137.19) (   0.18,-136.48)   80.46                80
 07/30/2021   07:04:42   (   0.02,-137.20) (   0.83,-133.53)  418.08                80
 07/30/2021   19:25:57   (  -0.02,-137.21) (   0.31,-138.68)  167.12                80
 08/01/2021   19:16:27   (  -0.01,-137.22) (  -0.34,-135.73)  169.87                80
 08/02/2021   07:37:51   (   0.01,-137.21) (  -0.80,-140.91)  421.16                80
 08/04/2021   07:25:40   (  -0.02,-137.21) (  -0.20,-137.95)   84.61                80
 08/06/2021   07:10:50   (  -0.01,-137.20) (   0.46,-135.00)  250.22                80
 08/06/2021   19:32:06   (   0.01,-137.20) (   0.62,-140.16)  335.84                80
 08/08/2021   19:22:35   (   0.00,-137.19) (   0.02,-137.20)    2.06                80