Simultaneous Nadir Overpasses (SNOs) between GOES-15 and LANDSAT-8
TLE Epoch: 2019 8 13.  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)
 08/14/2019   06:39:53   (  -0.09,-128.42) (   0.14,-127.20)  138.25                80
 08/14/2019   19:03:48   (   0.13,-128.43) (   0.99,-132.35)  446.63                80
 08/16/2019   06:27:43   (  -0.08,-128.43) (   0.81,-124.25)  475.24                80
 08/16/2019   18:51:38   (   0.12,-128.44) (   0.32,-129.40)  109.56                80
 08/18/2019   18:36:47   (   0.11,-128.45) (  -0.29,-126.44)  227.23                80
 08/19/2019   07:00:51   (  -0.15,-128.45) (  -0.84,-131.63)  362.01                80
 08/21/2019   06:48:41   (  -0.14,-128.45) (  -0.16,-128.68)   25.91                80
 08/23/2019   06:33:50   (  -0.13,-128.44) (   0.45,-125.72)  309.76                80
 08/23/2019   18:57:45   (   0.17,-128.44) (   0.69,-130.87)  276.29                80
 08/25/2019   18:42:54   (   0.16,-128.43) (   0.07,-127.91)   58.40                80