Simultaneous Nadir Overpasses (SNOs) between GOES-15 and LANDSAT-8
TLE Epoch: 2019 8 3.  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)
 08/03/2019   07:00:46   (  -0.06,-128.29) (  -0.79,-131.64)  381.17                80
 08/05/2019   06:48:36   (  -0.05,-128.33) (  -0.13,-128.69)   41.44                80
 08/07/2019   06:33:46   (  -0.04,-128.36) (   0.52,-125.74)  297.96                80
 08/07/2019   18:57:41   (   0.08,-128.37) (   0.62,-130.89)  286.47                80
 08/09/2019   18:42:51   (   0.07,-128.40) (  -0.04,-127.94)   52.53                80
 08/11/2019   18:30:40   (   0.06,-128.42) (  -0.64,-124.98)  391.09                80
 08/12/2019   06:54:44   (  -0.10,-128.43) (  -0.49,-130.16)  197.65                80
 08/14/2019   06:39:54   (  -0.09,-128.45) (   0.18,-127.21)  140.30                80
 08/14/2019   19:03:49   (   0.13,-128.45) (   0.97,-132.36)  445.06                80
 08/16/2019   06:27:44   (  -0.08,-128.46) (   0.84,-124.27)  478.11                80
 08/16/2019   18:51:39   (   0.12,-128.47) (   0.31,-129.41)  107.25                80