Simultaneous Nadir Overpasses (SNOs) between GOES-15 and LANDSAT-8
TLE Epoch: 2019 12 27.  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)
 12/27/2019   06:48:48   (   0.07,-128.21) (  -0.01,-128.71)   56.01                80
 12/29/2019   06:33:56   (   0.07,-128.25) (   0.62,-125.75)  285.08                80
 12/29/2019   18:57:51   (  -0.06,-128.22) (   0.50,-130.90)  304.08                80
 12/31/2019   18:42:59   (  -0.06,-128.26) (  -0.12,-127.94)   36.76                80
 01/02/2020   18:30:47   (  -0.06,-128.30) (  -0.74,-124.98)  377.35                80
 01/03/2020   06:54:51   (   0.04,-128.35) (  -0.36,-130.17)  207.28                80
 01/05/2020   06:39:59   (   0.05,-128.39) (   0.27,-127.21)  132.71                80
 01/05/2020   19:03:55   (  -0.04,-128.35) (   0.79,-132.38)  456.96                80
 01/07/2020   06:27:48   (   0.05,-128.41) (   0.96,-124.27)  471.95                80
 01/07/2020   18:51:43   (  -0.04,-128.38) (   0.16,-129.42)  117.93                80
 01/09/2020   18:36:51   (  -0.04,-128.40) (  -0.47,-126.46)  220.33                80