Simultaneous Nadir Overpasses (SNOs) between GOES-15 and LANDSAT-8
TLE Epoch: 2019 6 26.  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)
 06/27/2019   06:39:40   (   0.11,-127.97) (   0.26,-127.24)   82.83                80
 06/27/2019   19:03:35   (  -0.09,-128.00) (   0.88,-132.39)  499.77                80
 06/29/2019   06:27:29   (   0.11,-127.91) (   0.88,-124.28)  412.09                80
 06/29/2019   18:51:25   (  -0.09,-127.94) (   0.20,-129.44)  170.65                80
 07/01/2019   18:36:34   (  -0.10,-127.86) (  -0.41,-126.48)  157.65                80
 07/02/2019   07:00:37   (   0.07,-127.80) (  -0.77,-131.66)  438.81                80
 07/03/2019   18:24:23   (  -0.11,-127.79) (  -1.03,-123.52)  485.05                80
 07/04/2019   06:48:26   (   0.08,-127.72) (  -0.15,-128.70)  111.64                80
 07/06/2019   06:33:35   (   0.09,-127.63) (   0.47,-125.74)  215.07                80
 07/06/2019   18:57:31   (  -0.07,-127.65) (   0.61,-130.90)  368.80                80
 07/08/2019   18:45:20   (  -0.08,-127.56) (  -0.01,-127.94)   42.17                80