Simultaneous Nadir Overpasses (SNOs) between GOES-17 and LANDSAT-8
TLE Epoch: 2021 11 25.  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)
 11/26/2021   07:11:07   (   0.03,-137.20) (   0.51,-135.01)  249.41                80
 11/26/2021   19:32:21   (  -0.03,-137.21) (   0.62,-140.16)  336.03                80
 11/28/2021   19:22:50   (  -0.03,-137.20) (  -0.01,-137.20)    1.59                80
 11/30/2021   19:10:40   (  -0.02,-137.18) (  -0.65,-134.25)  333.30                80
 12/01/2021   07:32:03   (   0.02,-137.17) (  -0.47,-139.44)  258.61                80
 12/03/2021   07:17:12   (   0.02,-137.14) (   0.17,-136.48)   74.65                80
 12/05/2021   07:05:00   (   0.01,-137.10) (   0.75,-133.52)  407.00                80
 12/05/2021   19:26:16   (  -0.01,-137.10) (   0.32,-138.68)  179.55                80
 12/07/2021   19:16:44   (  -0.00,-137.06) (  -0.27,-135.72)  152.08                80
 12/08/2021   07:38:08   (   0.00,-137.04) (  -0.85,-140.90)  440.28                80