Simultaneous Nadir Overpasses (SNOs) between GOES-15 and LANDSAT-8
TLE Epoch: 2019 7 30.  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) (   0.87,-124.27)  451.20                80
 07/31/2019   18:51:33   (   0.04,-128.25) (   0.27,-129.41)  132.47                80
 08/02/2019   18:36:43   (   0.02,-128.28) (  -0.38,-126.46)  207.17                80
 08/03/2019   07:00:47   (  -0.06,-128.29) (  -0.75,-131.65)  381.87                80
 08/05/2019   06:48:36   (  -0.05,-128.32) (  -0.15,-128.69)   42.56                80
 08/07/2019   06:33:46   (  -0.04,-128.35) (   0.51,-125.74)  296.61                80
 08/07/2019   18:57:41   (   0.08,-128.36) (   0.64,-130.89)  287.85                80
 08/09/2019   18:42:51   (   0.07,-128.38) (  -0.02,-127.94)   50.82                80
 08/11/2019   18:30:41   (   0.06,-128.40) (  -0.68,-124.99)  389.06                80
 08/12/2019   06:54:44   (  -0.10,-128.41) (  -0.50,-130.16)  199.85                80