Simultaneous Nadir Overpasses (SNOs) between GOES-15 and LANDSAT-8
TLE Epoch: 2019 7 1.  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)
 07/01/2019   18:36:34   (  -0.10,-127.88) (  -0.42,-126.48)  159.04                80
 07/02/2019   07:00:37   (   0.07,-127.82) (  -0.76,-131.66)  437.15                80
 07/03/2019   18:24:23   (  -0.10,-127.80) (  -1.04,-123.52)  486.99                80
 07/04/2019   06:48:26   (   0.08,-127.74) (  -0.14,-128.70)  109.41                80
 07/06/2019   06:33:35   (   0.09,-127.66) (   0.48,-125.74)  217.89                80
 07/06/2019   18:57:31   (  -0.07,-127.68) (   0.60,-130.90)  365.93                80
 07/08/2019   18:45:20   (  -0.07,-127.59) (  -0.02,-127.94)   38.73                80
 07/10/2019   18:30:29   (  -0.08,-127.51) (  -0.64,-124.98)  288.34                80
 07/11/2019   06:54:32   (   0.05,-127.45) (  -0.54,-130.15)  307.55                80
 07/13/2019   06:39:41   (   0.06,-127.36) (   0.09,-127.20)   18.85                80