Simultaneous Nadir Overpasses (SNOs) between GOES-17 and LANDSAT-8
TLE Epoch: 2021 11 18.  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)
 11/19/2021   07:04:58   (   0.04,-137.22) (   0.80,-133.51)  420.51                80
 11/19/2021   19:26:14   (  -0.04,-137.22) (   0.25,-138.68)  165.07                80
 11/21/2021   19:16:41   (  -0.03,-137.21) (  -0.34,-135.71)  170.61                80
 11/22/2021   07:38:05   (   0.03,-137.20) (  -0.76,-140.90)  420.59                80
 11/24/2021   07:25:53   (   0.02,-137.18) (  -0.11,-137.94)   85.87                80
 11/26/2021   07:11:00   (   0.02,-137.16) (   0.49,-134.98)  248.44                80
 11/26/2021   19:32:15   (  -0.02,-137.16) (   0.62,-140.13)  337.90                80
 11/28/2021   19:20:02   (  -0.01,-137.13) (   0.01,-137.16)    4.79                80
 11/30/2021   19:10:30   (  -0.01,-137.09) (  -0.65,-134.21)  328.83                80
 12/01/2021   07:31:53   (   0.01,-137.08) (  -0.50,-139.39)  262.89                80