Simultaneous Nadir Overpasses (SNOs) between GOES-15 and LANDSAT-8
TLE Epoch: 2019 5 23.  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)
 05/23/2019   18:30:15   (  -0.13,-128.46) (  -0.83,-125.04)  388.85                80
 05/24/2019   06:54:20   (   0.12,-128.42) (  -0.24,-130.23)  205.86                80
 05/26/2019   06:39:30   (   0.13,-128.42) (   0.40,-127.28)  130.54                80
 05/26/2019   19:03:25   (  -0.12,-128.46) (   0.75,-132.43)  451.18                80
 05/28/2019   06:27:19   (   0.14,-128.42) (   0.99,-124.32)  466.67                80
 05/28/2019   18:51:15   (  -0.13,-128.47) (   0.10,-129.47)  115.03                80
 05/30/2019   18:36:25   (  -0.13,-128.46) (  -0.54,-126.52)  220.76                80
 05/31/2019   07:00:29   (   0.12,-128.42) (  -0.58,-131.71)  373.65                80
 06/02/2019   06:48:19   (   0.12,-128.41) (   0.07,-128.76)   38.80                80
 06/04/2019   06:33:28   (   0.13,-128.39) (   0.67,-125.79)  295.24                80
 06/04/2019   18:57:24   (  -0.12,-128.42) (   0.43,-130.95)  287.59                80