Simultaneous Nadir Overpasses (SNOs) between GOES-15 and LANDSAT-8
TLE Epoch: 2019 11 19.  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)
 11/20/2019   06:27:59   (   0.22,-128.49) (   1.09,-124.31)  475.87                80
 11/20/2019   18:51:53   (  -0.21,-128.48) (   0.03,-129.46)  111.43                80
 11/22/2019   18:39:42   (  -0.21,-128.47) (  -0.60,-126.50)  223.41                80
 11/23/2019   07:01:05   (   0.19,-128.47) (  -0.51,-131.69)  365.86                80
 11/25/2019   06:48:53   (   0.20,-128.45) (   0.12,-128.73)   31.70                80
 11/27/2019   06:34:01   (   0.20,-128.43) (   0.75,-125.77)  302.05                80
 11/27/2019   18:57:56   (  -0.18,-128.41) (   0.37,-130.92)  286.22                80
 11/29/2019   18:43:04   (  -0.18,-128.38) (  -0.27,-127.96)   47.09                80
 12/01/2019   18:33:32   (  -0.17,-128.34) (  -0.91,-125.00)  380.17                80
 12/02/2019   06:54:55   (   0.16,-128.35) (  -0.25,-130.18)  208.93                80