Simultaneous Nadir Overpasses (SNOs) between GOES-15 and LANDSAT-8
TLE Epoch: 2019 7 23.  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)
 07/24/2019   18:42:45   (  -0.02,-128.09) (  -0.06,-127.94)   17.06                80
 07/26/2019   18:30:35   (  -0.02,-128.14) (  -0.68,-124.98)  358.20                80
 07/27/2019   06:54:39   (  -0.02,-128.14) (  -0.46,-130.17)  231.03                80
 07/29/2019   06:39:50   (  -0.01,-128.18) (   0.21,-127.22)  108.83                80
 07/29/2019   19:03:45   (   0.04,-128.19) (   0.94,-132.37)  475.25                80
 07/31/2019   06:27:40   (   0.00,-128.21) (   0.81,-124.27)  447.86                80
 07/31/2019   18:51:36   (   0.03,-128.22) (   0.29,-129.42)  136.31                80
 08/02/2019   18:36:47   (   0.02,-128.25) (  -0.35,-126.48)  202.03                80
 08/03/2019   07:00:51   (  -0.06,-128.26) (  -0.80,-131.66)  387.07                80
 08/05/2019   06:48:43   (  -0.05,-128.28) (  -0.11,-128.72)   49.23                80