Simultaneous Nadir Overpasses (SNOs) between GOES-15 and LANDSAT-8
TLE Epoch: 2019 10 4.  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   18:39:45   (  -0.30,-127.73) (  -0.57,-126.51)  138.21                80
 10/06/2019   07:01:09   (   0.31,-127.77) (  -0.54,-131.70)  447.97                80
 10/07/2019   18:27:34   (  -0.30,-127.80) (  -1.20,-123.56)  482.97                80
 10/08/2019   06:48:58   (   0.30,-127.84) (   0.08,-128.75)  103.43                80
 10/10/2019   06:34:08   (   0.30,-127.92) (   0.77,-125.80)  240.96                80
 10/10/2019   18:55:23   (  -0.31,-127.91) (   0.31,-130.96)  345.99                80
 10/12/2019   18:45:53   (  -0.30,-127.99) (  -0.32,-128.00)    2.56                80
 10/14/2019   18:33:42   (  -0.30,-128.05) (  -0.95,-125.05)  341.88                80
 10/15/2019   06:55:05   (   0.31,-128.10) (  -0.16,-130.24)  243.68                80
 10/17/2019   06:40:14   (   0.30,-128.16) (   0.48,-127.28)   99.12                80
 10/17/2019   19:01:30   (  -0.30,-128.14) (   0.61,-132.44)  489.23                80