Simultaneous Nadir Overpasses (SNOs) between GOES-15 and LANDSAT-8
TLE Epoch: 2019 10 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)
 10/17/2019   06:40:14   (   0.30,-128.13) (   0.47,-127.28)   95.46                80
 10/17/2019   19:01:30   (  -0.30,-128.13) (   0.61,-132.44)  490.28                80
 10/19/2019   06:28:03   (   0.30,-128.18) (   1.11,-124.33)  437.21                80
 10/19/2019   18:49:19   (  -0.30,-128.18) (  -0.03,-129.49)  148.59                80
 10/21/2019   18:39:48   (  -0.29,-128.22) (  -0.67,-126.53)  192.38                80
 10/22/2019   07:01:12   (   0.29,-128.24) (  -0.44,-131.72)  395.50                80
 10/24/2019   06:49:01   (   0.29,-128.28) (   0.20,-128.77)   55.23                80
 10/26/2019   06:34:10   (   0.29,-128.32) (   0.84,-125.82)  284.78                80
 10/26/2019   18:55:25   (  -0.29,-128.31) (   0.29,-130.96)  302.26                80
 10/28/2019   18:45:54   (  -0.29,-128.34) (  -0.35,-128.01)   37.42                80
 10/30/2019   18:33:43   (  -0.28,-128.37) (  -1.00,-125.06)  376.66                80