Simultaneous Nadir Overpasses (SNOs) between GOES-15 and LANDSAT-8
TLE Epoch: 2020 4 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)
 04/30/2020   18:38:43   (   0.25,-128.23) (  -0.12,-126.43)  204.52                80
 05/01/2020   07:00:07   (  -0.24,-128.21) (  -0.98,-131.62)  388.35                80
 05/03/2020   06:47:55   (  -0.24,-128.23) (  -0.32,-128.68)   50.12                80
 05/05/2020   06:33:02   (  -0.24,-128.25) (   0.28,-125.71)  287.91                80
 05/05/2020   18:54:18   (   0.23,-128.28) (   0.77,-130.88)  295.52                80
 05/07/2020   18:44:45   (   0.23,-128.29) (   0.17,-127.92)   41.98                80
 05/09/2020   18:32:33   (   0.23,-128.30) (  -0.49,-124.97)  378.75                80
 05/10/2020   06:53:57   (  -0.22,-128.28) (  -0.60,-130.16)  214.08                80
 05/12/2020   06:39:04   (  -0.22,-128.28) (   0.01,-127.20)  122.10                80
 05/12/2020   19:00:20   (   0.21,-128.30) (   1.05,-132.37)  462.53                80