Simultaneous Nadir Overpasses (SNOs) between GOES-15 and LANDSAT-8
TLE Epoch: 2020 5 13.  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)
 05/14/2020   06:26:58   (  -0.21,-128.28) (   0.67,-124.26)  457.92                80
 05/14/2020   18:48:13   (   0.20,-128.32) (   0.42,-129.42)  124.19                80
 05/16/2020   18:38:43   (   0.19,-128.32) (  -0.19,-126.47)  210.55                80
 05/17/2020   07:00:08   (  -0.19,-128.28) (  -0.89,-131.67)  384.74                80
 05/19/2020   06:47:59   (  -0.19,-128.27) (  -0.26,-128.72)   50.70                80
 05/21/2020   06:33:10   (  -0.19,-128.26) (   0.34,-125.77)  282.69                80
 05/21/2020   18:54:27   (   0.18,-128.29) (   0.73,-130.94)  300.82                80
 05/23/2020   18:44:59   (   0.17,-128.27) (   0.11,-128.00)   31.28                80
 05/25/2020   18:32:52   (   0.17,-128.25) (  -0.54,-125.07)  362.34                80
 05/26/2020   06:54:17   (  -0.16,-128.20) (  -0.57,-130.26)  233.29                80