Simultaneous Nadir Overpasses (SNOs) between GOES-15 and LANDSAT-8
TLE Epoch: 2019 5 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)
 05/28/2019   06:27:20   (   0.14,-128.42) (   1.03,-124.33)  466.63                80
 05/28/2019   18:51:15   (  -0.13,-128.47) (   0.12,-129.47)  114.93                80
 05/30/2019   18:36:25   (  -0.13,-128.46) (  -0.53,-126.52)  220.78                80
 05/31/2019   07:00:29   (   0.12,-128.42) (  -0.60,-131.70)  373.96                80
 06/02/2019   06:48:19   (   0.12,-128.41) (   0.05,-128.75)   39.17                80
 06/04/2019   06:33:29   (   0.13,-128.39) (   0.70,-125.80)  294.67                80
 06/04/2019   18:57:24   (  -0.12,-128.42) (   0.39,-130.96)  287.89                80
 06/06/2019   18:42:34   (  -0.13,-128.40) (  -0.20,-128.00)   45.03                80
 06/08/2019   18:30:24   (  -0.14,-128.36) (  -0.85,-125.05)  377.40                80
 06/09/2019   06:54:27   (   0.13,-128.32) (  -0.27,-130.23)  217.52                80