Simultaneous Nadir Overpasses (SNOs) between GOES-15 and LANDSAT-8
TLE Epoch: 2020 8 27.  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)
 08/27/2020   18:42:50   (   0.01,-127.57) (   0.06,-127.92)   38.40                80
 08/29/2020   18:33:19   (   0.01,-127.48) (  -0.53,-124.95)  287.73                80
 08/30/2020   06:54:43   (  -0.02,-127.48) (  -0.61,-130.14)  302.97                80
 09/01/2020   06:39:53   (  -0.01,-127.39) (   0.05,-127.19)   22.95                80
 09/03/2020   06:27:42   (  -0.01,-127.29) (   0.64,-124.23)  348.60                80
 09/03/2020   18:48:57   (   0.02,-127.25) (   0.50,-129.37)  242.61                80
 09/05/2020   18:39:27   (   0.02,-127.15) (  -0.16,-126.42)   82.97                80
 09/07/2020   18:27:16   (   0.01,-127.05) (  -0.75,-123.46)  408.04                80
 09/08/2020   06:48:40   (  -0.02,-127.05) (  -0.37,-128.65)  182.25                80