Simultaneous Nadir Overpasses (SNOs) between GOES-15 and LANDSAT-8
TLE Epoch: 2019 7 13.  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)
 07/13/2019   06:39:42   (   0.06,-127.71) (   0.18,-127.21)   56.74                80
 07/15/2019   06:27:31   (   0.07,-127.78) (   0.81,-124.25)  400.87                80
 07/15/2019   18:51:26   (  -0.04,-127.81) (   0.33,-129.40)  182.06                80
 07/17/2019   18:36:36   (  -0.05,-127.88) (  -0.36,-126.46)  161.74                80
 07/18/2019   07:00:40   (   0.02,-127.89) (  -0.76,-131.64)  426.03                80
 07/20/2019   06:48:29   (   0.03,-127.96) (  -0.12,-128.69)   82.59                80
 07/22/2019   06:33:38   (   0.04,-128.02) (   0.51,-125.73)  260.52                80
 07/22/2019   18:57:33   (  -0.01,-128.04) (   0.62,-130.88)  323.36                80
 07/24/2019   18:42:43   (  -0.02,-128.10) (  -0.07,-127.93)   19.62                80
 07/26/2019   18:30:32   (  -0.02,-128.15) (  -0.71,-124.98)  361.74                80