Simultaneous Nadir Overpasses (SNOs) between GOES-17 and LANDSAT-8
TLE Epoch: 2021 10 12.  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)
 10/13/2021   19:10:43   (  -0.04,-137.20) (  -0.64,-134.26)  333.58                80
 10/14/2021   07:32:08   (   0.04,-137.21) (  -0.42,-139.46)  256.13                80
 10/16/2021   07:17:17   (   0.03,-137.20) (   0.21,-136.51)   80.01                80
 10/18/2021   07:05:06   (   0.03,-137.20) (   0.84,-133.55)  415.93                80
 10/18/2021   19:26:20   (  -0.03,-137.19) (   0.29,-138.70)  171.20                80
 10/20/2021   19:16:49   (  -0.03,-137.19) (  -0.34,-135.74)  164.30                80
 10/21/2021   07:38:13   (   0.03,-137.19) (  -0.78,-140.93)  425.51                80
 10/22/2021   19:04:39   (  -0.03,-137.18) (  -0.98,-132.79)  499.17                80
 10/23/2021   07:26:02   (   0.03,-137.18) (  -0.13,-137.98)   90.83                80
 10/25/2021   07:11:10   (   0.03,-137.16) (   0.45,-135.01)  243.16                80
 10/25/2021   19:32:26   (  -0.02,-137.14) (   0.62,-140.17)  344.72                80