Simultaneous Nadir Overpasses (SNOs) between GOES-15 and LANDSAT-8
TLE Epoch: 2019 9 9.  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)
 09/10/2019   18:45:44   (  -0.26,-128.22) (  -0.32,-127.99)   26.24                80
 09/12/2019   18:33:33   (  -0.25,-128.18) (  -0.91,-125.03)  357.44                80
 09/13/2019   06:52:18   (   0.28,-128.13) (  -0.16,-130.23)  237.91                80
 09/15/2019   06:42:47   (   0.28,-128.09) (   0.42,-127.26)   92.86                80
 09/15/2019   19:01:24   (  -0.29,-128.10) (   0.62,-132.43)  492.87                80
 09/17/2019   06:30:37   (   0.27,-128.03) (   1.05,-124.31)  423.05                80
 09/17/2019   18:49:14   (  -0.29,-128.05) (  -0.01,-129.48)  162.66                80
 09/19/2019   18:39:43   (  -0.29,-127.99) (  -0.57,-126.51)  166.84                80
 09/20/2019   06:58:27   (   0.30,-127.95) (  -0.49,-131.71)  427.81                80
 09/21/2019   18:27:33   (  -0.28,-127.92) (  -1.19,-123.56)  495.48                80
 09/22/2019   06:46:17   (   0.29,-127.88) (   0.12,-128.76)   99.48                80