Simultaneous Nadir Overpasses (SNOs) between GOES-15 and LANDSAT-8
TLE Epoch: 2019 10 5.  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)
 10/05/2019   18:39:44   (  -0.30,-127.73) (  -0.54,-126.51)  138.17                80
 10/06/2019   07:01:09   (   0.31,-127.76) (  -0.52,-131.71)  448.11                80
 10/07/2019   18:27:34   (  -0.30,-127.80) (  -1.23,-123.56)  482.80                80
 10/08/2019   06:48:58   (   0.30,-127.84) (   0.11,-128.75)  103.64                80
 10/10/2019   06:34:07   (   0.30,-127.91) (   0.74,-125.79)  240.57                80
 10/10/2019   18:55:23   (  -0.31,-127.91) (   0.34,-130.95)  346.33                80
 10/12/2019   18:43:12   (  -0.30,-127.98) (  -0.29,-128.00)    2.60                80
 10/14/2019   18:33:41   (  -0.30,-128.05) (  -0.92,-125.04)  341.30                80
 10/15/2019   06:55:06   (   0.31,-128.09) (  -0.13,-130.25)  244.35                80
 10/17/2019   06:40:15   (   0.30,-128.15) (   0.51,-127.29)   98.38                80
 10/17/2019   19:01:30   (  -0.30,-128.13) (   0.63,-132.44)  489.99                80