Simultaneous Nadir Overpasses (SNOs) between GOES-15 and LANDSAT-8
TLE Epoch: 2020 12 3.  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)
 12/03/2020   18:33:31   (   0.21,-127.98) (  -0.44,-124.94)  346.33                80
 12/04/2020   06:52:15   (  -0.20,-128.01) (  -0.62,-130.14)  241.15                80
 12/06/2020   06:42:43   (  -0.21,-128.05) (  -0.04,-127.17)   99.60                80
 12/06/2020   19:01:19   (   0.19,-128.05) (   1.11,-132.34)  487.89                80
 12/08/2020   06:30:32   (  -0.21,-128.09) (   0.61,-124.22)  439.98                80
 12/08/2020   18:49:08   (   0.20,-128.08) (   0.46,-129.38)  147.68                80
 12/10/2020   18:39:36   (   0.20,-128.11) (  -0.13,-126.42)  192.08                80
 12/11/2020   06:58:21   (  -0.18,-128.14) (  -0.92,-131.62)  396.22                80
 12/13/2020   06:46:10   (  -0.19,-128.16) (  -0.27,-128.67)   57.31                80
 12/15/2020   06:36:38   (  -0.19,-128.18) (   0.34,-125.71)  281.17                80
 12/15/2020   18:55:14   (   0.17,-128.17) (   0.73,-130.87)  306.75                80