Simultaneous Nadir Overpasses (SNOs) between GOES-15 and LANDSAT-8
TLE Epoch: 2019 10 3.  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)
 10/03/2019   06:28:00   (   0.30,-127.64) (   1.02,-124.31)  378.93                80
 10/03/2019   18:49:15   (  -0.31,-127.65) (   0.07,-129.47)  206.78                80
 10/05/2019   18:39:45   (  -0.30,-127.73) (  -0.55,-126.51)  138.38                80
 10/06/2019   07:01:09   (   0.31,-127.77) (  -0.50,-131.71)  447.77                80
 10/07/2019   18:27:34   (  -0.30,-127.81) (  -1.18,-123.55)  483.26                80
 10/08/2019   06:48:58   (   0.30,-127.84) (   0.12,-128.75)  103.07                80
 10/10/2019   06:34:07   (   0.30,-127.92) (   0.75,-125.80)  241.38                80
 10/10/2019   18:55:23   (  -0.31,-127.92) (   0.34,-130.96)  345.51                80
 10/12/2019   18:43:12   (  -0.30,-127.99) (  -0.29,-128.00)    1.59                80
 10/14/2019   18:33:41   (  -0.30,-128.06) (  -0.92,-125.04)  342.56                80
 10/15/2019   06:55:06   (   0.31,-128.10) (  -0.13,-130.25)  243.00                80