Simultaneous Nadir Overpasses (SNOs) between GOES-15 and LANDSAT-8
TLE Epoch: 2019 4 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)
 04/21/2019   18:32:38   (  -0.07,-127.80) (  -0.66,-124.99)  319.48                80
 04/22/2019   06:54:02   (   0.07,-127.79) (  -0.45,-130.18)  271.46                80
 04/24/2019   06:39:10   (   0.08,-127.86) (   0.19,-127.22)   72.34                80
 04/26/2019   06:26:58   (   0.08,-127.93) (   0.84,-124.27)  415.73                80
 04/26/2019   18:48:14   (  -0.09,-127.97) (   0.21,-129.44)  166.46                80
 04/28/2019   18:38:42   (  -0.09,-128.04) (  -0.44,-126.49)  176.76                80
 04/29/2019   07:00:05   (   0.09,-128.03) (  -0.66,-131.68)  414.03                80
 05/01/2019   06:47:53   (   0.09,-128.10) (  -0.01,-128.73)   71.23                80
 05/03/2019   06:33:01   (   0.10,-128.15) (   0.59,-125.76)  271.33                80
 05/03/2019   18:54:16   (  -0.10,-128.19) (   0.47,-130.93)  311.55                80