Simultaneous Nadir Overpasses (SNOs) between GOES-15 and LANDSAT-8
TLE Epoch: 2020 4 13.  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) (  -0.05,-126.41)  169.46                80
 04/15/2020   07:00:14   (  -0.28,-127.87) (  -1.07,-131.60)  423.55                80
 04/17/2020   06:48:02   (  -0.27,-127.93) (  -0.43,-128.64)   81.32                80
 04/19/2020   06:33:10   (  -0.27,-127.99) (   0.20,-125.69)  260.86                80
 04/19/2020   18:54:26   (   0.27,-128.04) (   0.85,-130.86)  319.94                80
 04/21/2020   18:44:54   (   0.27,-128.09) (   0.21,-127.90)   22.10                80
 04/23/2020   18:32:42   (   0.27,-128.15) (  -0.42,-124.95)  363.53                80
 04/24/2020   06:54:06   (  -0.27,-128.12) (  -0.68,-130.14)  229.38                80
 04/26/2020   06:39:14   (  -0.26,-128.16) (  -0.04,-127.19)  111.08                80
 04/26/2020   19:00:28   (   0.26,-128.21) (   1.16,-132.34)  471.00                80