Simultaneous Nadir Overpasses (SNOs) between GOES-15 and LANDSAT-8
TLE Epoch: 2019 7 6.  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)
 07/06/2019   06:33:35   (   0.09,-127.67) (   0.47,-125.74)  218.80                80
 07/06/2019   18:57:31   (  -0.07,-127.69) (   0.60,-130.90)  364.89                80
 07/08/2019   18:45:20   (  -0.07,-127.61) (  -0.02,-127.94)   37.21                80
 07/10/2019   18:30:29   (  -0.08,-127.53) (  -0.64,-124.98)  290.30                80
 07/11/2019   06:54:32   (   0.05,-127.47) (  -0.54,-130.15)  305.48                80
 07/13/2019   06:39:41   (   0.06,-127.38) (   0.08,-127.19)   21.43                80
 07/15/2019   06:27:30   (   0.07,-127.29) (   0.71,-124.23)  347.77                80
 07/15/2019   18:51:25   (  -0.03,-127.30) (   0.43,-129.38)  236.84                80
 07/17/2019   18:36:34   (  -0.05,-127.21) (  -0.20,-126.42)   89.20                80
 07/19/2019   18:24:23   (  -0.06,-127.12) (  -0.83,-123.47)  415.00                80