Simultaneous Nadir Overpasses (SNOs) between GOES-15 and LANDSAT-8
TLE Epoch: 2021 1 28.  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)
 01/28/2021   06:58:10   (   0.06,-127.66) (  -0.79,-131.63)  450.98                80
 01/29/2021   18:27:15   (  -0.01,-127.65) (  -0.92,-123.48)  475.48                80
 01/30/2021   06:45:58   (   0.05,-127.59) (  -0.20,-128.67)  122.57                80
 02/01/2021   06:36:26   (   0.04,-127.51) (   0.41,-125.70)  205.42                80
 02/01/2021   18:55:02   (  -0.08,-127.54) (   0.66,-130.87)  379.10                80
 02/03/2021   18:42:50   (  -0.07,-127.46) (   0.05,-127.91)   51.74                80
 02/05/2021   18:33:18   (  -0.07,-127.37) (  -0.56,-124.95)  274.98                80
 02/06/2021   06:52:03   (   0.11,-127.30) (  -0.49,-130.15)  324.09                80
 02/08/2021   06:42:31   (   0.11,-127.21) (   0.12,-127.19)    1.96                80
 02/10/2021   06:30:19   (   0.10,-127.11) (   0.74,-124.23)  327.60                80
 02/10/2021   18:48:55   (  -0.14,-127.13) (   0.32,-129.40)  257.12                80