Simultaneous Nadir Overpasses (SNOs) between GOES-15 and LANDSAT-8
TLE Epoch: 2019 12 1.  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)
 12/01/2019   18:30:56   (  -0.17,-128.34) (  -0.86,-125.01)  377.37                80
 12/02/2019   06:55:00   (   0.16,-128.35) (  -0.21,-130.21)  211.63                80
 12/04/2019   06:40:09   (   0.16,-128.31) (   0.37,-127.25)  120.07                80
 12/04/2019   19:04:03   (  -0.14,-128.27) (   0.76,-132.40)  469.62                80
 12/06/2019   06:27:58   (   0.16,-128.26) (   1.00,-124.29)  451.43                80
 12/06/2019   18:51:52   (  -0.14,-128.23) (   0.13,-129.44)  138.29                80
 12/08/2019   18:37:01   (  -0.15,-128.18) (  -0.50,-126.49)  192.53                80
 12/09/2019   07:01:05   (   0.13,-128.19) (  -0.63,-131.68)  396.34                80
 12/11/2019   06:48:54   (   0.13,-128.14) (   0.00,-128.72)   66.49                80
 12/13/2019   06:34:03   (   0.13,-128.07) (   0.63,-125.77)  262.52                80
 12/13/2019   18:57:58   (  -0.12,-128.03) (   0.51,-130.91)  328.36                80