Simultaneous Nadir Overpasses (SNOs) between GOES-15 and LANDSAT-8
TLE Epoch: 2020 4 27.  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)
 04/28/2020   06:27:00   (  -0.26,-128.17) (   0.56,-124.22)  448.18                80
 04/28/2020   18:48:16   (   0.25,-128.21) (   0.49,-129.39)  134.37                80
 04/30/2020   18:38:44   (   0.25,-128.23) (  -0.16,-126.44)  204.19                80
 05/01/2020   07:00:08   (  -0.24,-128.21) (  -0.94,-131.63)  388.64                80
 05/03/2020   06:47:55   (  -0.24,-128.23) (  -0.34,-128.67)   50.55                80
 05/05/2020   06:33:03   (  -0.24,-128.25) (   0.32,-125.72)  287.34                80
 05/05/2020   18:54:18   (   0.23,-128.27) (   0.80,-130.88)  296.25                80
 05/07/2020   18:44:46   (   0.23,-128.28) (   0.14,-127.93)   41.10                80
 05/09/2020   18:32:33   (   0.23,-128.29) (  -0.46,-124.97)  377.72                80
 05/10/2020   06:53:56   (  -0.22,-128.27) (  -0.63,-130.16)  215.02                80