Simultaneous Nadir Overpasses (SNOs) between GOES-15 and LANDSAT-8
TLE Epoch: 2019 9 21.  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)
 09/21/2019   18:27:30   (  -0.28,-127.93) (  -1.21,-123.55)  498.19                80
 09/22/2019   06:46:14   (   0.29,-127.88) (   0.08,-128.74)   98.78                80
 09/24/2019   06:36:43   (   0.29,-127.80) (   0.70,-125.78)  229.59                80
 09/24/2019   18:55:19   (  -0.30,-127.82) (   0.39,-130.94)  355.47                80
 09/26/2019   18:43:08   (  -0.30,-127.74) (  -0.22,-127.98)   27.71                80
 09/28/2019   18:33:37   (  -0.30,-127.67) (  -0.84,-125.02)  299.97                80
 09/29/2019   06:55:02   (   0.31,-127.61) (  -0.22,-130.22)  296.20                80
 10/01/2019   06:40:10   (   0.31,-127.53) (   0.34,-127.25)   31.13                80
 10/03/2019   06:30:39   (   0.30,-127.44) (   0.96,-124.30)  357.76                80
 10/03/2019   18:49:15   (  -0.31,-127.45) (   0.13,-129.45)  228.54                80