Simultaneous Nadir Overpasses (SNOs) between GOES-15 and LANDSAT-8
TLE Epoch: 2019 9 15.  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)
 09/15/2019   06:42:47   (   0.28,-128.08) (   0.47,-127.27)   92.26                80
 09/15/2019   19:01:23   (  -0.29,-128.10) (   0.62,-132.43)  492.27                80
 09/17/2019   06:30:36   (   0.27,-128.03) (   1.06,-124.31)  422.45                80
 09/17/2019   18:49:12   (  -0.29,-128.05) (   0.03,-129.47)  162.04                80
 09/19/2019   18:39:42   (  -0.29,-127.99) (  -0.62,-126.52)  167.45                80
 09/20/2019   06:58:26   (   0.30,-127.94) (  -0.51,-131.71)  428.42                80
 09/21/2019   18:27:31   (  -0.28,-127.92) (  -1.20,-123.56)  496.15                80
 09/22/2019   06:46:16   (   0.29,-127.87) (   0.13,-128.76)  100.06                80
 09/24/2019   06:36:45   (   0.29,-127.79) (   0.71,-125.79)  227.58                80
 09/24/2019   18:55:21   (  -0.30,-127.80) (   0.39,-130.95)  358.67                80
 09/26/2019   18:43:11   (  -0.30,-127.72) (  -0.25,-128.00)   31.57                80
 09/28/2019   18:33:41   (  -0.30,-127.63) (  -0.88,-125.04)  295.19                80