Simultaneous Nadir Overpasses (SNOs) between GOES-15 and LANDSAT-8
TLE Epoch: 2021 4 3.  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)
 04/04/2021   06:48:15   (  -0.12,-128.23) (  -0.24,-128.67)   51.32                80
 04/06/2021   06:33:23   (  -0.11,-128.19) (   0.39,-125.72)  280.59                80
 04/06/2021   18:54:39   (   0.11,-128.27) (   0.67,-130.88)  297.46                80
 04/08/2021   18:45:07   (   0.11,-128.23) (   0.04,-127.93)   34.56                80
 04/10/2021   18:32:55   (   0.11,-128.19) (  -0.59,-124.97)  366.62                80
 04/11/2021   06:54:19   (  -0.10,-128.10) (  -0.51,-130.17)  234.16                80
 04/13/2021   06:39:26   (  -0.10,-128.06) (   0.06,-127.20)   97.32                80
 04/13/2021   19:00:42   (   0.10,-128.13) (   0.99,-132.37)  481.96                80
 04/15/2021   06:27:14   (  -0.10,-128.01) (   0.70,-124.25)  428.13                80
 04/15/2021   18:48:30   (   0.10,-128.08) (   0.36,-129.41)  151.22                80