Simultaneous Nadir Overpasses (SNOs) between GOES-15 and LANDSAT-8
TLE Epoch: 2019 6 15.  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)
 06/15/2019   18:36:31   (  -0.13,-128.30) (  -0.48,-126.50)  203.62                80
 06/16/2019   07:00:34   (   0.11,-128.25) (  -0.65,-131.69)  391.95                80
 06/18/2019   06:48:24   (   0.12,-128.21) (   0.01,-128.74)   60.37                80
 06/20/2019   06:33:34   (   0.13,-128.16) (   0.62,-125.78)  270.78                80
 06/20/2019   18:57:29   (  -0.11,-128.19) (   0.46,-130.94)  312.08                80
 06/22/2019   18:42:38   (  -0.12,-128.15) (  -0.14,-127.98)   18.93                80
 06/24/2019   18:30:27   (  -0.13,-128.10) (  -0.75,-125.02)  349.69                80
 06/25/2019   06:54:31   (   0.11,-128.05) (  -0.37,-130.20)  245.48                80
 06/27/2019   06:39:40   (   0.11,-127.99) (   0.25,-127.24)   84.76                80
 06/27/2019   19:03:36   (  -0.09,-128.01) (   0.84,-132.40)  499.10                80