Simultaneous Nadir Overpasses (SNOs) between GOES-15 and LANDSAT-8
TLE Epoch: 2019 4 28.  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)
 04/28/2019   18:38:43   (  -0.09,-128.02) (  -0.43,-126.49)  175.09                80
 04/29/2019   07:00:07   (   0.09,-128.01) (  -0.70,-131.68)  417.16                80
 05/01/2019   06:47:56   (   0.09,-128.06) (  -0.06,-128.73)   75.48                80
 05/03/2019   06:33:06   (   0.09,-128.12) (   0.61,-125.78)  265.72                80
 05/03/2019   18:54:21   (  -0.09,-128.16) (   0.53,-130.93)  316.30                80
 05/05/2019   18:44:51   (  -0.10,-128.20) (  -0.13,-127.99)   23.96                80
 05/07/2019   18:32:41   (  -0.10,-128.24) (  -0.77,-125.04)  363.10                80
 05/08/2019   06:54:06   (   0.10,-128.22) (  -0.30,-130.25)  229.68                80
 05/10/2019   06:39:16   (   0.11,-128.25) (   0.33,-127.30)  108.31                80
 05/10/2019   19:00:32   (  -0.11,-128.28) (   0.77,-132.46)  474.82                80