Simultaneous Nadir Overpasses (SNOs) between GOES-15 and LANDSAT-8
TLE Epoch: 2019 5 30.  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)
 05/30/2019   18:36:25   (  -0.13,-128.47) (  -0.53,-126.52)  221.31                80
 05/31/2019   07:00:29   (   0.12,-128.43) (  -0.60,-131.70)  373.28                80
 06/02/2019   06:48:19   (   0.12,-128.42) (   0.05,-128.75)   38.31                80
 06/04/2019   06:33:29   (   0.13,-128.40) (   0.70,-125.80)  295.72                80
 06/04/2019   18:57:25   (  -0.12,-128.43) (   0.39,-130.96)  286.87                80
 06/06/2019   18:42:34   (  -0.13,-128.41) (  -0.20,-128.00)   46.24                80
 06/08/2019   18:30:24   (  -0.14,-128.38) (  -0.85,-125.04)  378.78                80
 06/09/2019   06:54:27   (   0.13,-128.33) (  -0.27,-130.23)  216.05                80
 06/11/2019   06:39:36   (   0.13,-128.30) (   0.32,-127.27)  116.34                80
 06/11/2019   19:03:32   (  -0.12,-128.32) (   0.77,-132.43)  467.01                80