Simultaneous Nadir Overpasses (SNOs) between GOES-15 and LANDSAT-8
TLE Epoch: 2019 4 23.  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)
 04/24/2019   06:39:10   (   0.08,-127.86) (   0.20,-127.22)   71.46                80
 04/26/2019   06:26:58   (   0.08,-127.92) (   0.84,-124.27)  414.51                80
 04/26/2019   18:48:14   (  -0.09,-127.97) (   0.20,-129.44)  167.09                80
 04/28/2019   18:38:42   (  -0.09,-128.03) (  -0.45,-126.49)  175.81                80
 04/29/2019   07:00:05   (   0.09,-128.02) (  -0.66,-131.68)  415.83                80
 05/01/2019   06:47:53   (   0.09,-128.08) (  -0.07,-128.72)   73.35                80
 05/03/2019   06:33:01   (   0.10,-128.13) (   0.59,-125.76)  268.83                80
 05/03/2019   18:54:16   (  -0.10,-128.17) (   0.46,-130.93)  313.41                80
 05/05/2019   18:44:43   (  -0.10,-128.22) (  -0.14,-127.97)   28.00                80