Simultaneous Nadir Overpasses (SNOs) between GOES-15 and LANDSAT-8
TLE Epoch: 2019 12 26.  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   06:48:47   (   0.07,-128.21) (  -0.06,-128.69)   56.05                80
 12/29/2019   06:33:57   (   0.07,-128.25) (   0.62,-125.75)  285.05                80
 12/29/2019   18:57:51   (  -0.06,-128.22) (   0.50,-130.90)  304.11                80
 12/31/2019   18:42:59   (  -0.06,-128.26) (  -0.12,-127.94)   36.72                80
 01/02/2020   18:30:47   (  -0.06,-128.30) (  -0.75,-124.98)  377.31                80
 01/03/2020   06:54:51   (   0.04,-128.35) (  -0.36,-130.17)  207.32                80
 01/05/2020   06:39:59   (   0.05,-128.39) (   0.27,-127.21)  132.66                80
 01/05/2020   19:03:55   (  -0.04,-128.35) (   0.79,-132.38)  457.00                80
 01/07/2020   06:27:47   (   0.05,-128.41) (   0.90,-124.26)  471.91                80
 01/07/2020   18:51:43   (  -0.04,-128.38) (   0.16,-129.42)  117.98                80