Simultaneous Nadir Overpasses (SNOs) between GOES-15 and LANDSAT-8
TLE Epoch: 2021 3 9.  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)
 03/09/2021   18:30:26   (   0.15,-128.41) (  -0.58,-124.95)  393.07                80
 03/10/2021   06:54:30   (  -0.16,-128.32) (  -0.52,-130.14)  206.28                80
 03/12/2021   06:39:37   (  -0.15,-128.34) (   0.08,-127.18)  132.09                80
 03/12/2021   19:00:53   (   0.16,-128.43) (   0.97,-132.34)  444.26                80
 03/14/2021   06:27:25   (  -0.15,-128.36) (   0.74,-124.23)  470.43                80
 03/14/2021   18:48:40   (   0.16,-128.45) (   0.37,-129.38)  105.90                80
 03/16/2021   18:39:08   (   0.16,-128.47) (  -0.30,-126.43)  232.10                80
 03/17/2021   07:00:31   (  -0.16,-128.38) (  -0.86,-131.61)  367.06                80
 03/19/2021   06:48:19   (  -0.15,-128.39) (  -0.19,-128.66)   30.01                80
 03/21/2021   06:33:26   (  -0.15,-128.39) (   0.42,-125.70)  306.40                80
 03/21/2021   18:54:42   (   0.14,-128.47) (   0.62,-130.86)  271.12                80