Simultaneous Nadir Overpasses (SNOs) between GOES-15 and LANDSAT-8
TLE Epoch: 2019 9 3.  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)
 09/03/2019   18:39:36   (  -0.23,-128.35) (  -0.61,-126.51)  209.59                80
 09/04/2019   06:58:20   (   0.26,-128.31) (  -0.45,-131.71)  385.70                80
 09/06/2019   06:46:08   (   0.25,-128.28) (   0.12,-128.74)   52.53                80
 09/08/2019   06:36:37   (   0.24,-128.25) (   0.75,-125.78)  280.31                80
 09/08/2019   18:55:13   (  -0.26,-128.27) (   0.32,-130.94)  304.25                80
 09/10/2019   18:45:42   (  -0.26,-128.23) (  -0.31,-127.98)   28.14                80
 09/12/2019   18:33:31   (  -0.25,-128.19) (  -0.95,-125.03)  360.38                80
 09/13/2019   06:52:15   (   0.28,-128.16) (  -0.17,-130.21)  234.31                80
 09/15/2019   06:42:44   (   0.28,-128.11) (   0.47,-127.26)   97.51                80
 09/15/2019   19:01:20   (  -0.29,-128.12) (   0.61,-132.42)  488.21                80