Simultaneous Nadir Overpasses (SNOs) between GOES-15 and LANDSAT-8
TLE Epoch: 2020 4 16.  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) (  -0.41,-128.65)   81.69                80
 04/19/2020   06:33:10   (  -0.27,-127.98) (   0.23,-125.69)  260.23                80
 04/19/2020   18:54:25   (   0.27,-128.03) (   0.88,-130.85)  320.49                80
 04/21/2020   18:44:53   (   0.27,-128.08) (   0.24,-127.90)   21.25                80
 04/23/2020   18:32:41   (   0.27,-128.13) (  -0.41,-124.94)  362.46                80
 04/24/2020   06:54:05   (  -0.27,-128.11) (  -0.70,-130.14)  230.69                80
 04/26/2020   06:39:13   (  -0.26,-128.15) (  -0.05,-127.19)  109.51                80
 04/26/2020   19:00:28   (   0.26,-128.19) (   1.16,-132.34)  472.43                80
 04/28/2020   06:27:01   (  -0.26,-128.18) (   0.60,-124.24)  448.89                80
 04/28/2020   18:48:16   (   0.25,-128.22) (   0.51,-129.39)  133.21                80