Simultaneous Nadir Overpasses (SNOs) between GOES-15 and LANDSAT-8
TLE Epoch: 2020 5 12.  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)
 05/12/2020   06:39:07   (  -0.21,-128.28) (   0.03,-127.21)  122.66                80
 05/12/2020   19:00:23   (   0.20,-128.33) (   1.04,-132.37)  459.45                80
 05/14/2020   06:26:56   (  -0.21,-128.28) (   0.65,-124.25)  457.93                80
 05/14/2020   18:48:12   (   0.20,-128.32) (   0.44,-129.42)  124.16                80
 05/16/2020   18:38:42   (   0.19,-128.32) (  -0.21,-126.47)  210.85                80
 05/17/2020   07:00:06   (  -0.19,-128.28) (  -0.93,-131.66)  384.31                80
 05/19/2020   06:47:57   (  -0.19,-128.28) (  -0.25,-128.72)   49.96                80
 05/21/2020   06:33:07   (  -0.19,-128.26) (   0.34,-125.77)  283.87                80
 05/21/2020   18:54:24   (   0.18,-128.30) (   0.72,-130.94)  299.58                80
 05/23/2020   18:44:55   (   0.17,-128.28) (   0.10,-127.99)   33.04                80
 05/25/2020   18:32:46   (   0.17,-128.25) (  -0.50,-125.04)  364.60                80