Simultaneous Nadir Overpasses (SNOs) between GOES-15 and LANDSAT-8
TLE Epoch: 2019 9 13.  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)
 09/13/2019   06:52:17   (   0.28,-128.13) (  -0.19,-130.22)  238.47                80
 09/15/2019   06:42:47   (   0.28,-128.08) (   0.44,-127.27)   92.02                80
 09/15/2019   19:01:23   (  -0.29,-128.10) (   0.65,-132.43)  492.99                80
 09/17/2019   06:30:37   (   0.27,-128.03) (   1.07,-124.32)  422.04                80
 09/17/2019   18:49:13   (  -0.29,-128.04) (   0.03,-129.47)  162.98                80
 09/19/2019   18:39:43   (  -0.29,-127.98) (  -0.59,-126.52)  166.23                80
 09/20/2019   06:58:28   (   0.30,-127.94) (  -0.49,-131.72)  429.21                80
 09/21/2019   18:27:33   (  -0.28,-127.92) (  -1.19,-123.56)  494.62                80
 09/22/2019   06:46:18   (   0.29,-127.87) (   0.12,-128.76)  101.15                80
 09/24/2019   06:36:48   (   0.29,-127.79) (   0.72,-125.81)  226.10                80
 09/24/2019   18:55:24   (  -0.30,-127.79) (   0.40,-130.96)  360.77                80
 09/26/2019   18:43:15   (  -0.30,-127.71) (  -0.25,-128.01)   34.12                80