Simultaneous Nadir Overpasses (SNOs) between GOES-15 and LANDSAT-8
TLE Epoch: 2021 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)
 10/04/2021   06:52:25   (   0.37,-127.81) (  -0.13,-130.25)  277.05                80
 10/06/2021   06:42:54   (   0.37,-127.88) (   0.47,-127.29)   66.81                80
 10/08/2021   06:30:44   (   0.36,-127.94) (   1.14,-124.34)  410.03                80
 10/08/2021   18:49:20   (  -0.37,-127.95) (  -0.07,-129.50)  175.36                80
 10/10/2021   18:39:49   (  -0.37,-128.01) (  -0.68,-126.54)  166.96                80
 10/11/2021   07:01:13   (   0.37,-128.03) (  -0.44,-131.73)  421.32                80
 10/13/2021   06:49:03   (   0.36,-128.08) (   0.24,-128.79)   79.85                80
 10/15/2021   06:34:12   (   0.35,-128.12) (   0.86,-125.83)  261.51                80
 10/15/2021   18:55:26   (  -0.36,-128.13) (   0.27,-130.98)  324.46                80
 10/17/2021   18:45:56   (  -0.36,-128.18) (  -0.41,-128.03)   17.19                80