Simultaneous Nadir Overpasses (SNOs) between GOES-15 and LANDSAT-8
TLE Epoch: 2020 5 1.  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)
 05/01/2020   07:00:07   (  -0.24,-128.21) (  -0.97,-131.63)  388.25                80
 05/03/2020   06:47:55   (  -0.24,-128.24) (  -0.32,-128.68)   49.83                80
 05/05/2020   06:33:02   (  -0.24,-128.25) (   0.28,-125.71)  288.41                80
 05/05/2020   18:54:18   (   0.23,-128.29) (   0.77,-130.88)  294.72                80
 05/07/2020   18:44:45   (   0.23,-128.30) (   0.17,-127.92)   42.96                80
 05/09/2020   18:32:33   (   0.23,-128.31) (  -0.50,-124.97)  379.95                80
 05/10/2020   06:53:57   (  -0.22,-128.29) (  -0.60,-130.17)  213.08                80
 05/12/2020   06:39:04   (  -0.21,-128.29) (   0.01,-127.20)  123.30                80
 05/12/2020   19:00:20   (   0.21,-128.31) (   1.04,-132.37)  461.05                80
 05/14/2020   06:26:51   (  -0.21,-128.29) (   0.62,-124.24)  459.53                80
 05/14/2020   18:48:07   (   0.20,-128.31) (   0.43,-129.41)  124.77                80