Simultaneous Nadir Overpasses (SNOs) between GOES-15 and LANDSAT-8
TLE Epoch: 2020 5 19.  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)
 05/19/2020   06:47:56   (  -0.19,-128.27) (  -0.25,-128.68)   46.29                80
 05/21/2020   06:33:05   (  -0.19,-128.25) (   0.37,-125.72)  288.56                80
 05/21/2020   18:54:20   (   0.18,-128.28) (   0.70,-130.88)  294.57                80
 05/23/2020   18:44:49   (   0.17,-128.26) (   0.08,-127.92)   39.33                80
 05/25/2020   18:32:39   (   0.17,-128.23) (  -0.54,-124.96)  372.30                80
 05/26/2020   06:54:02   (  -0.16,-128.19) (  -0.58,-130.15)  222.68                80
 05/28/2020   06:39:11   (  -0.15,-128.15) (   0.05,-127.19)  109.45                80
 05/28/2020   19:00:27   (   0.14,-128.17) (   1.03,-132.35)  475.04                80
 05/30/2020   06:27:00   (  -0.15,-128.11) (   0.68,-124.23)  441.25                80
 05/30/2020   18:48:16   (   0.14,-128.13) (   0.40,-129.39)  143.23                80
 06/01/2020   18:38:45   (   0.14,-128.08) (  -0.23,-126.43)  188.30                80