Simultaneous Nadir Overpasses (SNOs) between GOES-15 and LANDSAT-8
TLE Epoch: 2019 10 6.  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)
 10/06/2019   07:01:08   (   0.31,-127.76) (  -0.55,-131.70)  448.29                80
 10/07/2019   18:27:34   (  -0.30,-127.80) (  -1.19,-123.55)  482.62                80
 10/08/2019   06:48:58   (   0.30,-127.84) (   0.13,-128.76)  103.97                80
 10/10/2019   06:34:07   (   0.30,-127.91) (   0.76,-125.80)  240.16                80
 10/10/2019   18:55:23   (  -0.31,-127.91) (   0.32,-130.96)  346.70                80
 10/12/2019   18:43:12   (  -0.30,-127.98) (  -0.32,-128.00)    3.38                80
 10/14/2019   18:33:41   (  -0.30,-128.04) (  -0.95,-125.05)  340.71                80
 10/15/2019   06:55:05   (   0.31,-128.09) (  -0.16,-130.24)  245.04                80
 10/17/2019   06:40:14   (   0.30,-128.14) (   0.48,-127.28)   97.52                80
 10/17/2019   19:01:30   (  -0.30,-128.13) (   0.60,-132.44)  490.76                80
 10/19/2019   06:28:03   (   0.30,-128.19) (   1.13,-124.33)  439.31                80
 10/19/2019   18:49:19   (  -0.30,-128.17) (  -0.04,-129.49)  149.05                80