Simultaneous Nadir Overpasses (SNOs) between GOES-15 and LANDSAT-8
TLE Epoch: 2020 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)
 04/26/2020   06:39:12   (  -0.26,-128.14) (  -0.07,-127.18)  108.87                80
 04/26/2020   19:00:28   (   0.26,-128.18) (   1.12,-132.35)  473.57                80
 04/28/2020   06:27:01   (  -0.26,-128.17) (   0.58,-124.23)  448.02                80
 04/28/2020   18:48:15   (   0.25,-128.21) (   0.53,-129.38)  134.57                80
 04/30/2020   18:38:43   (   0.25,-128.23) (  -0.12,-126.43)  203.85                80
 05/01/2020   07:00:07   (  -0.24,-128.21) (  -0.98,-131.63)  388.98                80
 05/03/2020   06:47:55   (  -0.24,-128.23) (  -0.32,-128.68)   51.03                80
 05/05/2020   06:33:02   (  -0.24,-128.24) (   0.27,-125.71)  286.73                80
 05/05/2020   18:54:18   (   0.23,-128.27) (   0.78,-130.88)  296.89                80
 05/07/2020   18:44:45   (   0.23,-128.28) (   0.18,-127.92)   40.38                80
 05/09/2020   18:32:33   (   0.23,-128.28) (  -0.48,-124.97)  376.80                80