Simultaneous Nadir Overpasses (SNOs) between GOES-15 and LANDSAT-8
TLE Epoch: 2019 8 22.  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   06:33:50   (  -0.13,-128.44) (   0.45,-125.72)  309.29                80
 08/23/2019   18:57:45   (   0.17,-128.44) (   0.68,-130.87)  276.10                80
 08/25/2019   18:42:54   (   0.17,-128.42) (   0.06,-127.91)   58.43                80
 08/27/2019   18:30:43   (   0.16,-128.40) (  -0.56,-124.95)  392.24                80
 08/28/2019   06:54:46   (  -0.20,-128.40) (  -0.57,-130.14)  197.86                80
 08/30/2019   06:39:55   (  -0.19,-128.37) (   0.06,-127.18)  135.14                80
 08/30/2019   19:03:50   (   0.22,-128.36) (   1.08,-132.33)  451.51                80
 09/01/2019   06:27:45   (  -0.18,-128.34) (   0.68,-124.22)  468.03                80
 09/01/2019   18:51:39   (   0.22,-128.33) (   0.45,-129.37)  118.61                80
 09/03/2019   18:36:48   (   0.21,-128.30) (  -0.17,-126.41)  214.05                80
 09/04/2019   07:00:52   (  -0.24,-128.30) (  -0.95,-131.60)  375.59                80