Simultaneous Nadir Overpasses (SNOs) between GOES-15 and LANDSAT-8
TLE Epoch: 2019 8 25.  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)
 08/25/2019   18:45:40   (  -0.19,-128.44) (  -0.30,-127.99)   51.79                80
 08/27/2019   18:33:29   (  -0.18,-128.42) (  -0.92,-125.03)  386.35                80
 08/28/2019   06:52:12   (   0.21,-128.37) (  -0.21,-130.21)  210.04                80
 08/30/2019   06:42:41   (   0.21,-128.35) (   0.42,-127.26)  123.85                80
 08/30/2019   19:01:18   (  -0.24,-128.38) (   0.60,-132.43)  459.44                80
 09/01/2019   06:30:30   (   0.21,-128.33) (   1.04,-124.30)  457.49                80
 09/01/2019   18:49:07   (  -0.23,-128.36) (  -0.03,-129.47)  125.72                80
 09/03/2019   18:39:35   (  -0.23,-128.33) (  -0.59,-126.50)  207.74                80
 09/04/2019   06:58:20   (   0.26,-128.29) (  -0.47,-131.70)  387.93                80
 09/06/2019   06:46:09   (   0.25,-128.26) (   0.16,-128.74)   55.09                80