Simultaneous Nadir Overpasses (SNOs) between GOES-15 and LANDSAT-8
TLE Epoch: 2020 4 17.  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)
 04/17/2020   06:48:02   (  -0.27,-127.92) (  -0.43,-128.64)   81.69                80
 04/19/2020   06:33:10   (  -0.27,-127.98) (   0.21,-125.69)  260.14                80
 04/19/2020   18:54:25   (   0.27,-128.03) (   0.84,-130.86)  320.62                80
 04/21/2020   18:44:53   (   0.27,-128.08) (   0.26,-127.89)   21.25                80
 04/23/2020   18:32:41   (   0.27,-128.13) (  -0.39,-124.94)  362.17                80
 04/24/2020   06:54:04   (  -0.27,-128.11) (  -0.72,-130.13)  231.03                80
 04/26/2020   06:39:12   (  -0.26,-128.14) (  -0.07,-127.18)  109.10                80
 04/26/2020   19:00:28   (   0.26,-128.19) (   1.12,-132.35)  472.85                80
 04/28/2020   06:27:01   (  -0.26,-128.17) (   0.58,-124.23)  448.38                80
 04/28/2020   18:48:15   (   0.25,-128.21) (   0.53,-129.38)  133.76                80
 04/30/2020   18:38:43   (   0.25,-128.24) (  -0.12,-126.43)  204.79                80