Simultaneous Nadir Overpasses (SNOs) between GOES-15 and LANDSAT-8
TLE Epoch: 2019 7 31.  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)
 07/31/2019   06:27:38   (   0.00,-128.23) (   0.84,-124.26)  451.34                80
 07/31/2019   18:51:33   (   0.04,-128.25) (   0.30,-129.41)  132.35                80
 08/02/2019   18:36:43   (   0.02,-128.28) (  -0.36,-126.46)  207.41                80
 08/03/2019   07:00:47   (  -0.06,-128.29) (  -0.78,-131.64)  381.55                80
 08/05/2019   06:48:37   (  -0.05,-128.32) (  -0.12,-128.69)   42.04                80
 08/07/2019   06:33:47   (  -0.04,-128.35) (   0.54,-125.74)  297.15                80
 08/07/2019   18:57:41   (   0.08,-128.36) (   0.60,-130.89)  287.31                80
 08/09/2019   18:42:51   (   0.07,-128.39) (  -0.06,-127.94)   51.55                80
 08/11/2019   18:30:41   (   0.06,-128.41) (  -0.65,-124.98)  389.81                80
 08/12/2019   06:54:44   (  -0.10,-128.42) (  -0.47,-130.17)  199.02                80