Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-C
TLE Epoch: 2021 12 27.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  METOP-C Lat/Lon    Distance(km)  Time Diff(sec)
 12/28/2021   06:10:14   (   0.10,-128.06) (  -0.16,-129.36)  147.68                80
 12/29/2021   05:46:55   (   0.11,-128.09) (   0.92,-124.36)  423.89                80
 12/30/2021   18:08:27   (  -0.09,-128.13) (   0.08,-128.93)   90.76                80
 12/31/2021   17:45:09   (  -0.10,-128.15) (  -1.07,-123.94)  480.37                80
 01/02/2022   06:06:49   (   0.09,-128.17) (  -0.01,-128.53)   41.05                80
 01/04/2022   18:02:22   (  -0.08,-128.22) (  -0.10,-128.09)   14.04                80
 01/07/2022   06:00:44   (   0.07,-128.25) (   0.17,-127.69)   63.27                80
 01/08/2022   18:22:15   (  -0.05,-128.29) (   0.86,-132.25)  452.43                80
 01/09/2022   17:58:56   (  -0.06,-128.30) (  -0.29,-127.26)  118.31                80