Simultaneous Nadir Overpasses (SNOs) between GOES-15 and LANDSAT-8
TLE Epoch: 2019 10 21.  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)
 10/21/2019   18:39:48   (  -0.29,-128.23) (  -0.67,-126.53)  193.65                80
 10/22/2019   07:01:12   (   0.29,-128.25) (  -0.45,-131.72)  394.65                80
 10/24/2019   06:49:01   (   0.29,-128.29) (   0.20,-128.77)   53.82                80
 10/26/2019   06:34:10   (   0.29,-128.33) (   0.85,-125.82)  286.72                80
 10/26/2019   18:55:25   (  -0.29,-128.33) (   0.29,-130.96)  299.58                80
 10/28/2019   18:45:54   (  -0.29,-128.37) (  -0.36,-128.01)   40.65                80
 10/30/2019   18:33:43   (  -0.28,-128.40) (  -1.01,-125.06)  380.42                80
 10/31/2019   06:55:06   (   0.28,-128.42) (  -0.10,-130.25)  207.47                80
 11/02/2019   06:40:15   (   0.27,-128.45) (   0.50,-127.28)  131.67                80
 11/02/2019   19:01:30   (  -0.27,-128.43) (   0.58,-132.45)  455.81                80