Simultaneous Nadir Overpasses (SNOs) between GOES-15 and LANDSAT-8
TLE Epoch: 2019 8 12.  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)
 08/12/2019   06:54:43   (  -0.10,-128.41) (  -0.50,-130.16)  198.91                80
 08/14/2019   06:39:53   (  -0.09,-128.43) (   0.17,-127.21)  138.41                80
 08/14/2019   19:03:48   (   0.13,-128.43) (   0.97,-132.36)  446.62                80
 08/16/2019   06:27:43   (  -0.08,-128.44) (   0.84,-124.26)  475.59                80
 08/16/2019   18:51:38   (   0.12,-128.44) (   0.30,-129.41)  109.43                80
 08/18/2019   18:36:47   (   0.11,-128.45) (  -0.31,-126.45)  227.52                80
 08/19/2019   07:00:51   (  -0.15,-128.45) (  -0.82,-131.63)  361.43                80
 08/21/2019   06:48:40   (  -0.14,-128.46) (  -0.20,-128.67)   25.08                80
 08/23/2019   06:33:50   (  -0.13,-128.45) (   0.48,-125.73)  310.67                80
 08/23/2019   18:57:45   (   0.17,-128.45) (   0.67,-130.87)  275.58                80
 08/25/2019   18:42:54   (   0.16,-128.43) (   0.05,-127.91)   59.25                80