Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-C
TLE Epoch: 2021 12 29.  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)
 12/30/2021   18:08:27   (  -0.09,-128.13) (   0.09,-128.93)   90.48                80
 12/31/2021   17:45:09   (  -0.10,-128.15) (  -1.06,-123.94)  480.76                80
 01/02/2022   06:06:49   (   0.09,-128.18) (  -0.01,-128.53)   40.37                80
 01/04/2022   18:02:22   (  -0.08,-128.23) (  -0.09,-128.09)   15.08                80
 01/07/2022   06:00:44   (   0.07,-128.27) (   0.22,-127.71)   64.71                80
 01/08/2022   18:22:16   (  -0.05,-128.30) (   0.81,-132.26)  450.85                80
 01/09/2022   17:58:56   (  -0.06,-128.32) (  -0.29,-127.26)  120.01                80
 01/11/2022   06:20:38   (   0.05,-128.34) (  -0.74,-131.86)  401.66                80
 01/12/2022   05:57:19   (   0.06,-128.35) (   0.41,-126.87)  168.83                80