Simultaneous Nadir Overpasses (SNOs) between GOES-15 and LANDSAT-8
TLE Epoch: 2021 11 25.  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)
 11/25/2021   06:28:00   (   0.23,-128.29) (   1.08,-124.31)  452.26                80
 11/25/2021   18:51:55   (  -0.22,-128.31) (   0.05,-129.46)  131.92                80
 11/27/2021   18:37:04   (  -0.22,-128.27) (  -0.58,-126.51)  199.83                80
 11/28/2021   07:01:08   (   0.20,-128.23) (  -0.55,-131.69)  394.21                80
 11/30/2021   06:48:57   (   0.20,-128.18) (   0.09,-128.74)   63.04                80
 12/02/2021   06:34:06   (   0.20,-128.13) (   0.72,-125.79)  267.43                80
 12/02/2021   18:58:01   (  -0.19,-128.14) (   0.41,-130.94)  317.45                80
 12/04/2021   18:43:10   (  -0.19,-128.08) (  -0.24,-127.98)   12.33                80
 12/06/2021   18:30:58   (  -0.18,-128.01) (  -0.82,-125.02)  340.83                80
 12/07/2021   06:55:02   (   0.17,-127.97) (  -0.29,-130.21)  253.66                80