Simultaneous Nadir Overpasses (SNOs) between GOES-15 and LANDSAT-8
TLE Epoch: 2020 5 10.  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)
 05/10/2020   06:53:57   (  -0.22,-128.28) (  -0.62,-130.16)  213.32                80
 05/12/2020   06:39:05   (  -0.21,-128.29) (   0.03,-127.21)  122.92                80
 05/12/2020   19:00:19   (   0.20,-128.33) (   1.09,-132.36)  459.34                80
 05/14/2020   06:26:53   (  -0.21,-128.29) (   0.68,-124.26)  459.00                80
 05/14/2020   18:48:08   (   0.20,-128.33) (   0.44,-129.41)  123.20                80
 05/16/2020   18:38:36   (   0.20,-128.33) (  -0.21,-126.46)  212.82                80
 05/17/2020   06:59:59   (  -0.19,-128.29) (  -0.89,-131.65)  381.76                80
 05/19/2020   06:47:47   (  -0.19,-128.29) (  -0.25,-128.70)   46.20                80
 05/21/2020   06:32:55   (  -0.19,-128.28) (   0.34,-125.74)  289.01                80
 05/21/2020   18:54:10   (   0.18,-128.31) (   0.73,-130.90)  294.40                80
 05/23/2020   18:44:38   (   0.18,-128.30) (   0.09,-127.95)   39.81                80