Simultaneous Nadir Overpasses (SNOs) between GOES-17 and LANDSAT-8
TLE Epoch: 2021 10 5.  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)
 10/05/2021   07:38:11   (   0.05,-137.21) (  -0.74,-140.93)  422.86                80
 10/07/2021   07:26:00   (   0.05,-137.21) (  -0.13,-137.97)   87.18                80
 10/09/2021   07:13:50   (   0.05,-137.20) (   0.54,-135.03)  247.72                80
 10/09/2021   19:32:25   (  -0.05,-137.20) (   0.60,-140.18)  338.82                80
 10/11/2021   19:20:14   (  -0.04,-137.18) (  -0.02,-137.22)    5.29                80
 10/13/2021   19:10:43   (  -0.03,-137.15) (  -0.64,-134.26)  328.07                80
 10/14/2021   07:29:27   (   0.03,-137.14) (  -0.48,-139.45)  263.40                80
 10/16/2021   07:17:16   (   0.03,-137.11) (   0.14,-136.49)   69.56                80
 10/18/2021   07:05:05   (   0.03,-137.07) (   0.78,-133.54)  402.32                80
 10/18/2021   19:26:20   (  -0.02,-137.07) (   0.30,-138.70)  184.67                80