Simultaneous Nadir Overpasses (SNOs) between GOES-15 and LANDSAT-8
TLE Epoch: 2020 4 14.  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)
 04/14/2020   18:38:50   (   0.28,-127.89) (  -0.04,-126.40)  169.48                80
 04/15/2020   07:00:14   (  -0.28,-127.87) (  -1.08,-131.59)  423.63                80
 04/17/2020   06:48:02   (  -0.27,-127.93) (  -0.44,-128.64)   81.50                80
 04/19/2020   06:33:10   (  -0.27,-127.98) (   0.21,-125.69)  260.61                80
 04/19/2020   18:54:25   (   0.27,-128.04) (   0.84,-130.86)  320.13                80
 04/21/2020   18:44:53   (   0.27,-128.09) (   0.20,-127.90)   22.02                80
 04/23/2020   18:32:41   (   0.27,-128.14) (  -0.39,-124.94)  363.22                80
 04/24/2020   06:54:04   (  -0.27,-128.12) (  -0.72,-130.13)  229.81                80
 04/26/2020   06:39:12   (  -0.26,-128.16) (  -0.06,-127.18)  110.60                80
 04/26/2020   19:00:28   (   0.26,-128.20) (   1.12,-132.35)  471.37                80