Simultaneous Nadir Overpasses (SNOs) between GOES-15 and LANDSAT-8
TLE Epoch: 2019 5 17.  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)
 05/17/2019   06:48:10   (   0.12,-128.37) (   0.05,-128.75)   42.03                80
 05/19/2019   06:33:20   (   0.12,-128.39) (   0.69,-125.79)  296.31                80
 05/19/2019   18:54:36   (  -0.11,-128.43) (   0.40,-130.95)  285.80                80
 05/21/2019   18:42:26   (  -0.12,-128.45) (  -0.24,-128.00)   52.00                80
 05/23/2019   18:30:16   (  -0.13,-128.46) (  -0.88,-125.05)  389.29                80
 05/24/2019   06:54:20   (   0.12,-128.43) (  -0.24,-130.23)  203.98                80
 05/26/2019   06:39:30   (   0.13,-128.44) (   0.41,-127.28)  133.05                80
 05/26/2019   19:03:25   (  -0.12,-128.48) (   0.74,-132.43)  449.79                80
 05/28/2019   06:27:19   (   0.14,-128.45) (   1.00,-124.32)  469.82                80
 05/28/2019   18:51:15   (  -0.13,-128.48) (   0.09,-129.47)  112.98                80
 05/30/2019   18:36:25   (  -0.13,-128.49) (  -0.57,-126.52)  223.49                80