Simultaneous Nadir Overpasses (SNOs) between GOES-15 and LANDSAT-8
TLE Epoch: 2020 7 9.  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)
 07/10/2020   18:45:16   (   0.01,-128.30) (  -0.08,-127.96)   40.02                80
 07/12/2020   18:33:05   (   0.01,-128.33) (  -0.68,-124.99)  379.38                80
 07/13/2020   06:54:30   (  -0.01,-128.35) (  -0.39,-130.19)  209.40                80
 07/15/2020   06:39:39   (  -0.01,-128.37) (   0.21,-127.23)  129.31                80
 07/15/2020   19:00:55   (   0.01,-128.36) (   0.88,-132.39)  457.93                80
 07/17/2020   06:27:29   (  -0.02,-128.39) (   0.87,-124.28)  467.32                80
 07/17/2020   18:48:45   (   0.02,-128.38) (   0.21,-129.44)  119.98                80
 07/19/2020   18:39:14   (   0.02,-128.38) (  -0.39,-126.48)  217.23                80
 07/20/2020   07:00:37   (  -0.02,-128.40) (  -0.74,-131.66)  371.06                80
 07/22/2020   06:48:28   (  -0.02,-128.40) (  -0.07,-128.71)   34.93                80