Simultaneous Nadir Overpasses (SNOs) between GOES-17 and LANDSAT-8
TLE Epoch: 2021 12 26.  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)
 12/26/2021   07:25:53   (   0.01,-137.21) (  -0.13,-137.96)   85.04                80
 12/28/2021   07:11:00   (   0.01,-137.20) (   0.46,-134.99)  250.90                80
 12/28/2021   19:34:56   (  -0.01,-137.21) (   0.60,-140.15)  334.62                80
 12/30/2021   19:22:43   (  -0.02,-137.19) (   0.00,-137.19)    2.12                80
 01/01/2022   19:10:31   (  -0.02,-137.17) (  -0.66,-134.23)  333.85                80
 01/02/2022   07:31:55   (   0.02,-137.15) (  -0.43,-139.43)  258.07                80
 01/04/2022   07:17:02   (   0.02,-137.12) (   0.18,-136.46)   75.18                80
 01/06/2022   07:04:49   (   0.02,-137.08) (   0.80,-133.50)  408.28                80
 01/06/2022   19:26:04   (  -0.02,-137.08) (   0.32,-138.65)  178.12                80
 01/08/2022   19:16:31   (  -0.01,-137.05) (  -0.31,-135.69)  154.93                80