Simultaneous Nadir Overpasses (SNOs) between GOES-15 and LANDSAT-8
TLE Epoch: 2019 9 17.  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)
 09/17/2019   06:30:36   (   0.27,-128.03) (   1.08,-124.31)  422.56                80
 09/17/2019   18:49:12   (  -0.29,-128.05) (   0.01,-129.47)  161.55                80
 09/19/2019   18:39:41   (  -0.29,-127.99) (  -0.59,-126.51)  168.13                80
 09/20/2019   06:58:26   (   0.30,-127.94) (  -0.47,-131.71)  428.05                80
 09/21/2019   18:27:30   (  -0.28,-127.92) (  -1.20,-123.55)  497.07                80
 09/22/2019   06:46:15   (   0.29,-127.87) (   0.13,-128.75)   99.44                80
 09/24/2019   06:36:44   (   0.29,-127.79) (   0.74,-125.79)  228.50                80
 09/24/2019   18:55:20   (  -0.30,-127.80) (   0.35,-130.95)  357.32                80
 09/26/2019   18:43:09   (  -0.30,-127.72) (  -0.26,-127.99)   29.96                80
 09/28/2019   18:33:38   (  -0.30,-127.64) (  -0.87,-125.03)  297.20                80
 09/29/2019   06:55:02   (   0.31,-127.59) (  -0.25,-130.22)  298.38                80