Simultaneous Nadir Overpasses (SNOs) between GOES-15 and LANDSAT-8
TLE Epoch: 2019 8 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)
 08/18/2019   18:36:48   (   0.11,-128.45) (  -0.34,-126.45)  227.66                80
 08/19/2019   07:00:50   (  -0.15,-128.44) (  -0.85,-131.63)  362.39                80
 08/21/2019   06:48:41   (  -0.14,-128.44) (  -0.18,-128.68)   26.29                80
 08/23/2019   06:33:50   (  -0.13,-128.44) (   0.44,-125.72)  309.14                80
 08/23/2019   18:57:44   (   0.17,-128.44) (   0.70,-130.87)  276.15                80
 08/25/2019   18:42:54   (   0.17,-128.43) (   0.03,-127.92)   58.48                80
 08/27/2019   18:30:44   (   0.16,-128.40) (  -0.59,-124.96)  392.19                80
 08/28/2019   06:54:46   (  -0.20,-128.40) (  -0.59,-130.13)  198.02                80
 08/30/2019   06:39:56   (  -0.19,-128.37) (   0.09,-127.19)  135.02                80
 08/30/2019   19:03:51   (   0.22,-128.36) (   1.05,-132.33)  451.56                80