Simultaneous Nadir Overpasses (SNOs) between GOES-15 and LANDSAT-8
TLE Epoch: 2019 8 18.  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)
 08/19/2019   07:00:51   (  -0.15,-128.44) (  -0.82,-131.63)  362.43                80
 08/21/2019   06:48:40   (  -0.14,-128.44) (  -0.21,-128.67)   26.38                80
 08/23/2019   06:33:50   (  -0.13,-128.44) (   0.47,-125.72)  309.16                80
 08/23/2019   18:57:45   (   0.17,-128.44) (   0.67,-130.87)  275.75                80
 08/25/2019   18:42:54   (   0.16,-128.43) (   0.05,-127.91)   58.81                80
 08/27/2019   18:30:43   (   0.16,-128.41) (  -0.56,-124.95)  392.64                80
 08/28/2019   06:54:47   (  -0.20,-128.40) (  -0.56,-130.14)  197.95                80
 08/30/2019   06:39:56   (  -0.19,-128.37) (   0.06,-127.18)  135.09                80
 08/30/2019   19:03:51   (   0.22,-128.36) (   1.08,-132.33)  451.03                80
 09/01/2019   06:27:45   (  -0.18,-128.34) (   0.68,-124.22)  468.01                80
 09/01/2019   18:51:40   (   0.22,-128.33) (   0.46,-129.37)  118.12                80