Simultaneous Nadir Overpasses (SNOs) between GOES-15 and LANDSAT-8
TLE Epoch: 2019 8 11.  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)
 08/11/2019   18:30:40   (   0.06,-128.41) (  -0.66,-124.98)  390.54                80
 08/12/2019   06:54:44   (  -0.10,-128.41) (  -0.47,-130.16)  198.86                80
 08/14/2019   06:39:53   (  -0.09,-128.43) (   0.14,-127.20)  138.51                80
 08/14/2019   19:03:49   (   0.13,-128.43) (   0.94,-132.36)  446.60                80
 08/16/2019   06:27:43   (  -0.08,-128.44) (   0.81,-124.25)  475.68                80
 08/16/2019   18:51:38   (   0.12,-128.44) (   0.33,-129.40)  109.33                80
 08/18/2019   18:36:48   (   0.11,-128.45) (  -0.35,-126.45)  227.65                80
 08/19/2019   07:00:51   (  -0.15,-128.45) (  -0.84,-131.63)  361.26                80
 08/21/2019   06:48:41   (  -0.14,-128.46) (  -0.16,-128.68)   25.00                80
 08/23/2019   06:33:50   (  -0.13,-128.45) (   0.46,-125.72)  310.92                80
 08/23/2019   18:57:45   (   0.17,-128.45) (   0.68,-130.87)  275.34                80