Simultaneous Nadir Overpasses (SNOs) between GOES-15 and LANDSAT-8
TLE Epoch: 2021 10 5.  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)
 10/06/2021   06:42:54   (   0.37,-127.88) (   0.50,-127.29)   66.94                80
 10/08/2021   06:30:43   (   0.36,-127.95) (   1.11,-124.33)  410.30                80
 10/08/2021   18:49:19   (  -0.37,-127.96) (  -0.03,-129.49)  175.09                80
 10/10/2021   18:39:49   (  -0.37,-128.01) (  -0.71,-126.55)  167.37                80
 10/11/2021   07:01:13   (   0.37,-128.04) (  -0.42,-131.74)  420.85                80
 10/13/2021   06:49:02   (   0.36,-128.08) (   0.20,-128.78)   79.23                80
 10/15/2021   06:34:11   (   0.35,-128.13) (   0.83,-125.82)  262.20                80
 10/15/2021   18:55:27   (  -0.36,-128.14) (   0.25,-130.98)  323.76                80
 10/17/2021   18:45:56   (  -0.36,-128.18) (  -0.38,-128.03)   17.73                80