Simultaneous Nadir Overpasses (SNOs) between GOES-15 and LANDSAT-8
TLE Epoch: 2019 6 4.  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)
 06/04/2019   06:33:29   (   0.13,-128.41) (   0.70,-125.80)  296.79                80
 06/04/2019   18:57:24   (  -0.12,-128.44) (   0.44,-130.95)  285.96                80
 06/06/2019   18:42:34   (  -0.13,-128.42) (  -0.21,-128.00)   47.61                80
 06/08/2019   18:30:24   (  -0.14,-128.39) (  -0.86,-125.05)  380.67                80
 06/09/2019   06:54:27   (   0.13,-128.35) (  -0.27,-130.23)  213.79                80
 06/11/2019   06:39:37   (   0.13,-128.32) (   0.33,-127.27)  119.10                80
 06/11/2019   19:03:32   (  -0.12,-128.35) (   0.76,-132.43)  464.34                80
 06/13/2019   06:27:27   (   0.14,-128.29) (   0.98,-124.32)  451.73                80
 06/13/2019   18:51:22   (  -0.12,-128.31) (   0.11,-129.48)  131.70                80
 06/15/2019   18:36:31   (  -0.13,-128.28) (  -0.49,-126.51)  200.48                80
 06/16/2019   07:00:35   (   0.11,-128.24) (  -0.63,-131.70)  393.70                80