Simultaneous Nadir Overpasses (SNOs) between GOES-15 and LANDSAT-8
TLE Epoch: 2020 8 24.  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)
 08/25/2020   06:33:45   (   0.00,-127.70) (   0.43,-125.72)  225.47                80
 08/25/2020   18:55:00   (   0.01,-127.66) (   0.71,-130.87)  365.00                80
 08/27/2020   18:42:50   (   0.01,-127.58) (   0.06,-127.92)   38.43                80
 08/29/2020   18:33:19   (   0.01,-127.49) (  -0.52,-124.95)  287.84                80
 08/30/2020   06:54:43   (  -0.01,-127.48) (  -0.61,-130.14)  302.63                80
 09/01/2020   06:39:53   (  -0.01,-127.39) (   0.04,-127.19)   23.38                80
 09/03/2020   06:27:42   (  -0.01,-127.30) (   0.63,-124.23)  349.31                80
 09/03/2020   18:48:58   (   0.01,-127.25) (   0.45,-129.38)  242.00                80
 09/05/2020   18:39:27   (   0.01,-127.16) (  -0.14,-126.42)   83.72                80