Simultaneous Nadir Overpasses (SNOs) between GOES-15 and LANDSAT-8
TLE Epoch: 2019 10 26.  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)
 10/26/2019   06:34:10   (   0.29,-128.34) (   0.83,-125.81)  287.37                80
 10/26/2019   18:55:24   (  -0.28,-128.34) (   0.30,-130.96)  299.08                80
 10/28/2019   18:45:53   (  -0.28,-128.38) (  -0.35,-128.01)   41.51                80
 10/30/2019   18:33:42   (  -0.28,-128.41) (  -1.00,-125.06)  381.56                80
 10/31/2019   06:55:06   (   0.28,-128.44) (  -0.11,-130.25)  206.06                80
 11/02/2019   06:40:15   (   0.27,-128.46) (   0.54,-127.30)  133.40                80
 11/02/2019   19:01:30   (  -0.27,-128.45) (   0.59,-132.44)  454.15                80
 11/04/2019   06:28:03   (   0.27,-128.49) (   1.14,-124.33)  472.54                80
 11/04/2019   18:49:19   (  -0.26,-128.48) (  -0.06,-129.49)  114.95                80
 11/06/2019   18:39:47   (  -0.26,-128.50) (  -0.66,-126.53)  224.06                80
 11/07/2019   07:01:11   (   0.25,-128.53) (  -0.44,-131.72)  362.96                80