Simultaneous Nadir Overpasses (SNOs) between GOES-15 and LANDSAT-8
TLE Epoch: 2019 10 20.  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)
 10/21/2019   18:39:48   (  -0.29,-128.23) (  -0.65,-126.53)  193.49                80
 10/22/2019   07:01:11   (   0.29,-128.25) (  -0.47,-131.72)  394.82                80
 10/24/2019   06:49:00   (   0.29,-128.29) (   0.18,-128.77)   54.12                80
 10/26/2019   06:34:10   (   0.29,-128.33) (   0.82,-125.81)  286.28                80
 10/26/2019   18:55:25   (  -0.29,-128.33) (   0.25,-130.97)  300.08                80
 10/28/2019   18:45:53   (  -0.29,-128.36) (  -0.33,-128.01)   40.13                80
 10/30/2019   18:33:42   (  -0.28,-128.39) (  -0.98,-125.05)  379.66                80
 10/31/2019   06:55:06   (   0.28,-128.42) (  -0.13,-130.24)  208.23                80
 11/02/2019   06:40:15   (   0.27,-128.44) (   0.53,-127.29)  130.76                80
 11/02/2019   19:01:30   (  -0.27,-128.43) (   0.61,-132.44)  456.80                80