Simultaneous Nadir Overpasses (SNOs) between GOES-15 and LANDSAT-8
TLE Epoch: 2020 7 11.  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)
 07/12/2020   18:33:05   (   0.01,-128.33) (  -0.69,-124.99)  379.36                80
 07/13/2020   06:54:30   (  -0.01,-128.34) (  -0.38,-130.19)  209.63                80
 07/15/2020   06:39:39   (  -0.01,-128.37) (   0.23,-127.23)  128.97                80
 07/15/2020   19:00:55   (   0.01,-128.36) (   0.85,-132.39)  458.08                80
 07/17/2020   06:27:28   (  -0.02,-128.38) (   0.83,-124.27)  466.91                80
 07/17/2020   18:48:44   (   0.02,-128.37) (   0.24,-129.43)  120.18                80
 07/19/2020   18:39:13   (   0.02,-128.38) (  -0.37,-126.47)  216.93                80
 07/20/2020   07:00:38   (  -0.02,-128.39) (  -0.70,-131.67)  371.64                80
 07/22/2020   06:48:27   (  -0.02,-128.39) (  -0.08,-128.71)   35.56                80
 07/24/2020   06:33:36   (  -0.01,-128.39) (   0.53,-125.75)  300.08                80
 07/24/2020   18:54:51   (   0.01,-128.37) (   0.55,-130.91)  288.39                80