Simultaneous Nadir Overpasses (SNOs) between GOES-15 and LANDSAT-8
TLE Epoch: 2021 5 29.  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)
 05/29/2021   06:54:22   (   0.06,-128.40) (  -0.32,-130.23)  207.25                80
 05/31/2021   06:39:33   (   0.07,-128.42) (   0.33,-127.28)  130.91                80
 05/31/2021   19:00:48   (  -0.07,-128.44) (   0.75,-132.43)  453.62                80
 06/02/2021   06:27:23   (   0.07,-128.44) (   0.98,-124.32)  469.20                80
 06/02/2021   18:48:37   (  -0.08,-128.46) (   0.16,-129.47)  115.11                80
 06/04/2021   18:39:07   (  -0.08,-128.49) (  -0.49,-126.52)  223.38                80
 06/05/2021   07:00:32   (   0.08,-128.49) (  -0.58,-131.72)  366.89                80
 06/07/2021   06:48:21   (   0.08,-128.50) (   0.02,-128.76)   29.05                80
 06/09/2021   06:33:31   (   0.08,-128.51) (   0.68,-125.81)  308.08                80
 06/09/2021   18:54:46   (  -0.08,-128.51) (   0.47,-130.95)  278.28                80
 06/11/2021   18:45:16   (  -0.09,-128.51) (  -0.20,-128.00)   58.16                80