Simultaneous Nadir Overpasses (SNOs) between GOES-17 and LANDSAT-8
TLE Epoch: 2021 11 3.  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)
 11/03/2021   07:05:05   (   0.05,-137.21) (   0.83,-133.54)  416.72                80
 11/03/2021   19:26:20   (  -0.05,-137.21) (   0.29,-138.70)  169.20                80
 11/05/2021   19:16:48   (  -0.05,-137.19) (  -0.33,-135.73)  165.40                80
 11/06/2021   07:38:12   (   0.05,-137.18) (  -0.78,-140.92)  426.11                80
 11/07/2021   19:04:36   (  -0.04,-137.17) (  -0.96,-132.77)  499.05                80
 11/08/2021   07:26:00   (   0.04,-137.15) (  -0.15,-137.96)   92.66                80
 11/10/2021   07:11:08   (   0.03,-137.12) (   0.49,-135.01)  240.31                80
 11/10/2021   19:32:22   (  -0.03,-137.11) (   0.62,-140.16)  346.31                80
 11/12/2021   19:20:11   (  -0.02,-137.08) (  -0.03,-137.20)   13.93                80
 11/14/2021   19:10:38   (  -0.02,-137.04) (  -0.62,-134.23)  319.11                80
 11/15/2021   07:32:01   (   0.02,-137.02) (  -0.48,-139.42)  272.65                80