Simultaneous Nadir Overpasses (SNOs) between GOES-15 and LANDSAT-8
TLE Epoch: 2019 6 25.  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)
 06/25/2019   06:54:31   (   0.10,-128.03) (  -0.37,-130.20)  247.10                80
 06/27/2019   06:39:40   (   0.11,-127.97) (   0.25,-127.24)   82.68                80
 06/27/2019   19:03:36   (  -0.09,-128.00) (   0.83,-132.40)  499.92                80
 06/29/2019   06:27:29   (   0.11,-127.91) (   0.86,-124.28)  411.86                80
 06/29/2019   18:51:25   (  -0.09,-127.94) (   0.22,-129.44)  170.84                80
 07/01/2019   18:36:34   (  -0.10,-127.86) (  -0.40,-126.48)  157.36                80
 07/02/2019   07:00:38   (   0.07,-127.80) (  -0.72,-131.67)  439.12                80
 07/03/2019   18:24:23   (  -0.11,-127.78) (  -1.01,-123.52)  484.71                80
 07/04/2019   06:48:27   (   0.08,-127.72) (  -0.10,-128.71)  112.02                80
 07/06/2019   06:33:36   (   0.09,-127.63) (   0.52,-125.75)  214.65                80
 07/06/2019   18:57:31   (  -0.07,-127.65) (   0.63,-130.89)  369.24                80
 07/08/2019   18:45:20   (  -0.08,-127.56) (   0.00,-127.94)   42.63                80