Simultaneous Nadir Overpasses (SNOs) between GOES-15 and LANDSAT-8
TLE Epoch: 2019 4 19.  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)
 04/19/2019   18:42:10   (  -0.06,-127.72) (  -0.04,-127.94)   25.13                80
 04/21/2019   18:32:38   (  -0.07,-127.80) (  -0.68,-124.99)  319.57                80
 04/22/2019   06:54:02   (   0.07,-127.80) (  -0.43,-130.18)  271.10                80
 04/24/2019   06:39:10   (   0.08,-127.87) (   0.21,-127.23)   72.76                80
 04/26/2019   06:26:58   (   0.08,-127.94) (   0.86,-124.28)  416.29                80
 04/26/2019   18:48:13   (  -0.09,-127.97) (   0.25,-129.43)  166.14                80
 04/28/2019   18:38:41   (  -0.09,-128.04) (  -0.40,-126.48)  177.21                80
 04/29/2019   07:00:05   (   0.09,-128.04) (  -0.71,-131.67)  413.32                80
 05/01/2019   06:47:53   (   0.09,-128.10) (  -0.06,-128.72)   70.37                80