Simultaneous Nadir Overpasses (SNOs) between GOES-17 and LANDSAT-8
TLE Epoch: 2021 9 27.  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)
 09/27/2021   19:10:38   (  -0.04,-137.21) (  -0.65,-134.25)  336.37                80
 09/28/2021   07:29:23   (   0.04,-137.20) (  -0.42,-139.45)  255.08                80
 09/30/2021   07:19:52   (   0.04,-137.19) (   0.18,-136.49)   79.61                80
 10/02/2021   07:05:43   (   0.03,-137.17) (   0.78,-133.53)  413.71                38
 10/02/2021   19:26:17   (  -0.03,-137.18) (   0.30,-138.69)  172.49                80
 10/04/2021   19:16:47   (  -0.03,-137.15) (  -0.36,-135.74)  161.06                80
 10/05/2021   07:38:10   (   0.03,-137.14) (  -0.77,-140.93)  430.77                80
 10/06/2021   19:04:36   (  -0.03,-137.12) (  -0.97,-132.78)  493.93                80
 10/07/2021   07:25:59   (   0.03,-137.11) (  -0.16,-137.97)   98.05                80
 10/09/2021   07:13:49   (   0.03,-137.07) (   0.46,-135.01)  233.83                80
 10/09/2021   19:32:24   (  -0.03,-137.06) (   0.63,-140.17)  353.11                80