Simultaneous Nadir Overpasses (SNOs) between GOES-15 and LANDSAT-8
TLE Epoch: 2019 6 5.  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) (  -0.21,-128.00)   47.94                80
 06/08/2019   18:30:24   (  -0.14,-128.40) (  -0.86,-125.04)  381.20                80
 06/09/2019   06:54:27   (   0.13,-128.35) (  -0.27,-130.23)  213.21                80
 06/11/2019   06:39:37   (   0.13,-128.33) (   0.33,-127.27)  119.87                80
 06/11/2019   19:03:32   (  -0.12,-128.35) (   0.76,-132.43)  463.51                80
 06/13/2019   06:27:27   (   0.14,-128.30) (   0.99,-124.32)  452.70                80
 06/13/2019   18:51:22   (  -0.12,-128.32) (   0.11,-129.48)  130.68                80
 06/15/2019   18:36:31   (  -0.13,-128.29) (  -0.49,-126.51)  201.71                80
 06/16/2019   07:00:35   (   0.11,-128.25) (  -0.63,-131.70)  392.42                80
 06/18/2019   06:48:24   (   0.11,-128.21) (  -0.03,-128.74)   60.83                80