Simultaneous Nadir Overpasses (SNOs) between GOES-15 and LANDSAT-8
TLE Epoch: 2019 7 16.  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)
 07/17/2019   18:36:36   (  -0.05,-127.87) (  -0.35,-126.45)  161.43                80
 07/18/2019   07:00:40   (   0.02,-127.88) (  -0.77,-131.64)  426.91                80
 07/20/2019   06:48:29   (   0.03,-127.95) (  -0.14,-128.68)   83.81                80
 07/22/2019   06:33:38   (   0.04,-128.01) (   0.50,-125.73)  258.98                80
 07/22/2019   18:57:34   (  -0.01,-128.03) (   0.58,-130.89)  324.51                80
 07/24/2019   18:42:43   (  -0.02,-128.09) (  -0.06,-127.93)   18.01                80
 07/26/2019   18:30:32   (  -0.02,-128.14) (  -0.69,-124.97)  359.91                80
 07/27/2019   06:54:35   (  -0.01,-128.15) (  -0.42,-130.16)  228.16                80
 07/29/2019   06:39:45   (  -0.01,-128.19) (   0.22,-127.20)  112.53                80
 07/29/2019   19:03:39   (   0.04,-128.20) (   0.92,-132.35)  472.34                80