Simultaneous Nadir Overpasses (SNOs) between GOES-15 and LANDSAT-8
TLE Epoch: 2019 8 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)
 08/23/2019   06:33:49   (  -0.13,-128.44) (   0.42,-125.71)  309.34                80
 08/23/2019   18:57:44   (   0.17,-128.44) (   0.71,-130.86)  276.07                80
 08/25/2019   18:42:54   (   0.17,-128.42) (   0.03,-127.92)   58.55                80
 08/27/2019   18:30:43   (   0.16,-128.40) (  -0.59,-124.96)  392.30                80
 08/28/2019   06:54:47   (  -0.20,-128.40) (  -0.54,-130.14)  197.82                80
 08/30/2019   06:39:56   (  -0.19,-128.37) (   0.08,-127.18)  135.25                80
 08/30/2019   19:03:51   (   0.22,-128.36) (   1.05,-132.33)  451.43                80
 09/01/2019   06:27:45   (  -0.18,-128.34) (   0.71,-124.23)  468.13                80
 09/01/2019   18:51:40   (   0.22,-128.33) (   0.42,-129.37)  118.51                80
 09/03/2019   18:36:49   (   0.21,-128.30) (  -0.20,-126.42)  214.15                80
 09/04/2019   07:00:52   (  -0.24,-128.30) (  -0.98,-131.59)  375.48                80