Simultaneous Nadir Overpasses (SNOs) between GOES-15 and LANDSAT-8
TLE Epoch: 2019 8 31.  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)
 09/01/2019   06:30:31   (   0.21,-128.34) (   1.05,-124.30)  458.94                80
 09/01/2019   18:49:07   (  -0.23,-128.37) (   0.02,-129.46)  124.34                80
 09/03/2019   18:39:36   (  -0.23,-128.35) (  -0.60,-126.50)  209.59                80
 09/04/2019   06:58:20   (   0.26,-128.31) (  -0.46,-131.70)  385.73                80
 09/06/2019   06:46:09   (   0.25,-128.28) (   0.16,-128.75)   52.39                80
 09/08/2019   06:36:38   (   0.24,-128.25) (   0.79,-125.79)  280.51                80
 09/08/2019   18:55:14   (  -0.26,-128.27) (   0.29,-130.95)  303.99                80
 09/10/2019   18:45:43   (  -0.26,-128.24) (  -0.34,-127.99)   28.64                80
 09/12/2019   18:33:31   (  -0.26,-128.20) (  -0.91,-125.02)  360.81                80
 09/13/2019   06:52:16   (   0.28,-128.16) (  -0.15,-130.22)  233.94                80