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)
 06/06/2019   18:42:34   (  -0.13,-128.42) (  -0.23,-128.00)   47.80                80
 06/08/2019   18:30:24   (  -0.14,-128.39) (  -0.88,-125.05)  380.98                80
 06/09/2019   06:54:28   (   0.13,-128.35) (  -0.25,-130.24)  213.48                80
 06/11/2019   06:39:37   (   0.13,-128.33) (   0.34,-127.27)  119.49                80
 06/11/2019   19:03:33   (  -0.12,-128.35) (   0.75,-132.43)  463.88                80
 06/13/2019   06:27:27   (   0.14,-128.30) (   1.00,-124.32)  452.27                80
 06/13/2019   18:51:22   (  -0.12,-128.32) (   0.15,-129.47)  131.16                80
 06/15/2019   18:36:32   (  -0.13,-128.28) (  -0.50,-126.52)  201.14                80
 06/16/2019   07:00:36   (   0.11,-128.25) (  -0.62,-131.70)  393.01                80
 06/18/2019   06:48:25   (   0.11,-128.20) (  -0.02,-128.74)   61.46                80