Simultaneous Nadir Overpasses (SNOs) between GOES-15 and LANDSAT-8
TLE Epoch: 2021 8 26.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  LANDSAT-8 Lat/Lon    Distance(km)  Time Diff(sec)
 08/26/2021   06:46:08   (   0.25,-128.28) (   0.16,-128.75)   53.26                80
 08/28/2021   06:36:37   (   0.25,-128.29) (   0.78,-125.79)  283.53                80
 08/28/2021   18:55:13   (  -0.28,-128.24) (   0.29,-130.96)  308.95                80
 08/30/2021   18:45:42   (  -0.27,-128.23) (  -0.34,-128.00)   27.19                80
 09/01/2021   18:33:31   (  -0.26,-128.22) (  -0.97,-125.04)  362.70                80
 09/02/2021   06:52:15   (   0.29,-128.27) (  -0.15,-130.23)  222.84                80
 09/04/2021   06:42:44   (   0.29,-128.26) (   0.49,-127.27)  111.88                80
 09/04/2021   19:01:19   (  -0.32,-128.20) (   0.59,-132.43)  481.72                80
 09/06/2021   06:30:33   (   0.28,-128.24) (   1.13,-124.32)  446.19                80
 09/06/2021   18:49:08   (  -0.31,-128.18) (  -0.05,-129.48)  147.40                80
 09/08/2021   18:39:36   (  -0.31,-128.15) (  -0.63,-126.51)  186.53                80