Simultaneous Nadir Overpasses (SNOs) between GOES-15 and LANDSAT-8
TLE Epoch: 2019 7 24.  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)
 07/24/2019   18:42:45   (  -0.01,-128.09) (  -0.05,-127.94)   17.33                80
 07/26/2019   18:30:35   (  -0.02,-128.14) (  -0.67,-124.98)  358.63                80
 07/27/2019   06:54:39   (  -0.02,-128.14) (  -0.48,-130.16)  230.74                80
 07/29/2019   06:39:50   (  -0.01,-128.18) (   0.19,-127.22)  109.20                80
 07/29/2019   19:03:45   (   0.04,-128.20) (   0.91,-132.38)  474.72                80
 07/31/2019   06:27:41   (   0.00,-128.22) (   0.84,-124.27)  448.29                80
 07/31/2019   18:51:37   (   0.04,-128.23) (   0.26,-129.43)  135.74                80
 08/02/2019   18:36:48   (   0.02,-128.26) (  -0.37,-126.48)  202.68                80
 08/03/2019   07:00:51   (  -0.06,-128.26) (  -0.78,-131.66)  386.58                80
 08/05/2019   06:48:42   (  -0.05,-128.29) (  -0.17,-128.71)   48.68                80