Simultaneous Nadir Overpasses (SNOs) between GOES-15 and LANDSAT-8
TLE Epoch: 2020 5 7.  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)
 05/07/2020   18:44:45   (   0.23,-128.31) (   0.14,-127.92)   44.51                80
 05/09/2020   18:32:32   (   0.23,-128.32) (  -0.46,-124.96)  381.79                80
 05/10/2020   06:53:56   (  -0.22,-128.29) (  -0.64,-130.16)  212.64                80
 05/12/2020   06:39:04   (  -0.21,-128.30) (   0.03,-127.21)  123.99                80
 05/12/2020   19:00:19   (   0.20,-128.33) (   1.08,-132.36)  458.84                80
 05/14/2020   06:26:51   (  -0.21,-128.30) (   0.64,-124.25)  460.47                80
 05/14/2020   18:48:07   (   0.20,-128.34) (   0.41,-129.41)  122.31                80
 05/16/2020   18:38:34   (   0.20,-128.34) (  -0.20,-126.45)  214.16                80
 05/17/2020   06:59:58   (  -0.19,-128.31) (  -0.89,-131.65)  379.62                80
 05/19/2020   06:47:45   (  -0.19,-128.31) (  -0.28,-128.69)   43.52                80