Simultaneous Nadir Overpasses (SNOs) between GOES-15 and LANDSAT-8
TLE Epoch: 2019 5 2.  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)
 05/03/2019   06:33:09   (   0.09,-128.12) (   0.59,-125.77)  266.69                80
 05/03/2019   18:54:25   (  -0.09,-128.16) (   0.51,-130.93)  315.52                80
 05/05/2019   18:44:57   (  -0.10,-128.21) (  -0.16,-128.00)   24.45                80
 05/07/2019   18:32:49   (  -0.10,-128.24) (  -0.80,-125.05)  363.08                80
 05/08/2019   06:54:14   (   0.10,-128.23) (  -0.31,-130.25)  229.66                80
 05/10/2019   06:39:26   (   0.11,-128.25) (   0.28,-127.30)  107.69                80
 05/10/2019   19:00:43   (  -0.11,-128.29) (   0.80,-132.47)  475.74                80
 05/12/2019   06:27:20   (   0.11,-128.28) (   0.97,-124.38)  444.24                80
 05/12/2019   18:48:37   (  -0.11,-128.31) (   0.12,-129.54)  139.28                80
 05/14/2019   18:39:11   (  -0.12,-128.33) (  -0.51,-126.61)  196.88                80
 05/15/2019   07:00:36   (   0.11,-128.31) (  -0.62,-131.80)  396.02                80