Simultaneous Nadir Overpasses (SNOs) between GOES-17 and LANDSAT-8
TLE Epoch: 2021 7 25.  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)
 07/25/2021   19:10:17   (  -0.00,-137.17) (  -0.60,-134.23)  333.43                80
 07/26/2021   07:29:02   (   0.01,-137.15) (  -0.48,-139.43)  259.09                80
 07/28/2021   07:19:32   (   0.02,-137.13) (   0.17,-136.48)   74.67                80
 07/30/2021   07:07:21   (   0.02,-137.11) (   0.75,-133.52)  408.30                80
 07/30/2021   19:25:57   (  -0.02,-137.12) (   0.32,-138.68)  177.41                80
 08/01/2021   19:16:27   (  -0.01,-137.09) (  -0.33,-135.73)  155.61                80
 08/02/2021   07:35:11   (   0.01,-137.07) (  -0.81,-140.91)  437.01                80
 08/03/2021   19:04:16   (   0.00,-137.05) (  -0.93,-132.76)  488.02                80
 08/04/2021   07:25:40   (  -0.02,-137.03) (  -0.21,-137.95)  104.44                80
 08/06/2021   07:10:49   (  -0.01,-136.98) (   0.39,-134.99)  226.41                80
 08/06/2021   19:32:05   (   0.01,-136.98) (   0.69,-140.15)  360.15                80