Simultaneous Nadir Overpasses (SNOs) between GOES-15 and LANDSAT-8
TLE Epoch: 2019 4 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)
 04/26/2019   06:26:58   (   0.08,-127.92) (   0.84,-124.27)  414.21                80
 04/26/2019   18:48:14   (  -0.08,-127.96) (   0.20,-129.44)  167.09                80
 04/28/2019   18:38:42   (  -0.09,-128.02) (  -0.45,-126.49)  175.53                80
 04/29/2019   07:00:05   (   0.09,-128.01) (  -0.66,-131.68)  416.59                80
 05/01/2019   06:47:53   (   0.09,-128.07) (  -0.07,-128.71)   74.40                80
 05/03/2019   06:33:01   (   0.09,-128.12) (   0.58,-125.76)  267.52                80
 05/03/2019   18:54:16   (  -0.09,-128.16) (   0.46,-130.93)  314.36                80
 05/05/2019   18:44:43   (  -0.10,-128.20) (  -0.13,-127.97)   26.78                80
 05/07/2019   18:32:31   (  -0.10,-128.24) (  -0.79,-125.02)  366.88                80
 05/08/2019   06:53:55   (   0.10,-128.22) (  -0.31,-130.21)  225.53                80