Simultaneous Nadir Overpasses (SNOs) between GOES-15 and LANDSAT-8
TLE Epoch: 2019 9 25.  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)
 09/26/2019   18:43:09   (  -0.30,-127.75) (  -0.27,-127.99)   26.62                80
 09/28/2019   18:33:38   (  -0.30,-127.68) (  -0.88,-125.03)  301.52                80
 09/29/2019   06:52:21   (   0.31,-127.63) (  -0.23,-130.22)  294.65                80
 10/01/2019   06:42:50   (   0.31,-127.55) (   0.38,-127.26)   33.00                80
 10/03/2019   06:30:40   (   0.30,-127.47) (   1.00,-124.30)  360.16                80
 10/03/2019   18:49:15   (  -0.31,-127.47) (   0.09,-129.46)  225.91                80
 10/05/2019   18:39:43   (  -0.30,-127.38) (  -0.47,-126.49)  100.83                80
 10/06/2019   07:01:07   (   0.31,-127.34) (  -0.64,-131.68)  494.53                80
 10/07/2019   18:27:32   (  -0.30,-127.29) (  -1.09,-123.54)  427.24                80
 10/08/2019   06:48:56   (   0.31,-127.25) (  -0.01,-128.72)  168.25                80