Simultaneous Nadir Overpasses (SNOs) between GOES-15 and LANDSAT-8
TLE Epoch: 2020 4 18.  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)
 04/19/2020   06:33:09   (  -0.27,-127.98) (   0.19,-125.69)  260.08                80
 04/19/2020   18:54:25   (   0.27,-128.03) (   0.86,-130.85)  320.73                80
 04/21/2020   18:44:53   (   0.27,-128.08) (   0.21,-127.90)   20.87                80
 04/23/2020   18:32:41   (   0.27,-128.13) (  -0.43,-124.95)  361.84                80
 04/24/2020   06:54:05   (  -0.27,-128.10) (  -0.68,-130.14)  231.36                80
 04/26/2020   06:39:13   (  -0.26,-128.14) (  -0.03,-127.19)  108.71                80
 04/26/2020   19:00:28   (   0.26,-128.18) (   1.14,-132.34)  473.33                80
 04/28/2020   06:27:00   (  -0.26,-128.17) (   0.56,-124.23)  447.83                80
 04/28/2020   18:48:16   (   0.25,-128.21) (   0.49,-129.39)  134.31                80
 04/30/2020   18:38:44   (   0.25,-128.23) (  -0.16,-126.44)  204.09                80
 05/01/2020   07:00:08   (  -0.24,-128.21) (  -0.94,-131.64)  389.16                80