Simultaneous Nadir Overpasses (SNOs) between GOES-15 and LANDSAT-8
TLE Epoch: 2019 7 20.  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)
 07/20/2019   06:48:29   (   0.03,-127.94) (  -0.14,-128.68)   84.29                80
 07/22/2019   06:33:39   (   0.04,-128.00) (   0.54,-125.74)  258.26                80
 07/22/2019   18:57:33   (  -0.01,-128.03) (   0.59,-130.88)  324.69                80
 07/24/2019   18:42:43   (  -0.02,-128.08) (  -0.04,-127.93)   17.59                80
 07/26/2019   18:30:32   (  -0.02,-128.13) (  -0.66,-124.97)  359.19                80
 07/27/2019   06:54:35   (  -0.02,-128.14) (  -0.46,-130.15)  229.59                80
 07/29/2019   06:39:44   (  -0.01,-128.18) (   0.17,-127.20)  110.85                80
 07/29/2019   19:03:40   (   0.04,-128.19) (   0.91,-132.36)  473.50                80
 07/31/2019   06:27:35   (   0.00,-128.21) (   0.86,-124.25)  450.46                80
 07/31/2019   18:51:29   (   0.03,-128.22) (   0.28,-129.40)  133.90                80
 08/02/2019   18:36:38   (   0.02,-128.25) (  -0.35,-126.44)  205.20                80