Simultaneous Nadir Overpasses (SNOs) between GOES-15 and LANDSAT-8
TLE Epoch: 2019 7 14.  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)
 07/15/2019   06:27:32   (   0.07,-127.78) (   0.82,-124.26)  400.65                80
 07/15/2019   18:51:26   (  -0.04,-127.80) (   0.31,-129.40)  182.11                80
 07/17/2019   18:36:36   (  -0.05,-127.87) (  -0.38,-126.46)  161.56                80
 07/18/2019   07:00:39   (   0.02,-127.89) (  -0.80,-131.63)  426.44                80
 07/20/2019   06:48:29   (   0.03,-127.95) (  -0.11,-128.69)   83.16                80
 07/22/2019   06:33:38   (   0.04,-128.02) (   0.52,-125.73)  259.83                80
 07/22/2019   18:57:33   (  -0.01,-128.03) (   0.61,-130.88)  323.89                80
 07/24/2019   18:45:22   (  -0.01,-128.09) (  -0.02,-127.92)   19.06                80
 07/26/2019   18:30:32   (  -0.02,-128.15) (  -0.72,-124.98)  360.93                80
 07/27/2019   06:54:35   (  -0.01,-128.16) (  -0.45,-130.15)  226.78                80