Simultaneous Nadir Overpasses (SNOs) between GOES-15 and LANDSAT-8
TLE Epoch: 2019 4 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)
 05/01/2019   06:47:58   (   0.09,-128.07) (  -0.06,-128.73)   75.34                80
 05/03/2019   06:33:09   (   0.09,-128.12) (   0.60,-125.79)  265.48                80
 05/03/2019   18:54:25   (  -0.09,-128.16) (   0.50,-130.94)  316.67                80
 05/05/2019   18:44:56   (  -0.10,-128.21) (  -0.12,-128.00)   23.15                80
 05/07/2019   18:32:48   (  -0.10,-128.24) (  -0.76,-125.06)  361.53                80
 05/08/2019   06:54:13   (   0.10,-128.22) (  -0.34,-130.26)  231.38                80
 05/10/2019   06:39:26   (   0.11,-128.25) (   0.33,-127.33)  105.78                80
 05/10/2019   19:00:42   (  -0.11,-128.28) (   0.81,-132.48)  477.60                80
 05/12/2019   06:27:19   (   0.11,-128.27) (   0.97,-124.39)  442.19                80
 05/12/2019   18:48:36   (  -0.11,-128.31) (   0.12,-129.55)  141.30                80