Simultaneous Nadir Overpasses (SNOs) between GOES-17 and METOP-C
TLE Epoch: 2021 12 4.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  METOP-C Lat/Lon    Distance(km)  Time Diff(sec)
 12/04/2021   18:46:45   (  -0.04,-137.20) (   0.25,-138.51)  148.81                80
 12/05/2021   18:26:05   (  -0.03,-137.19) (  -0.85,-133.51)  419.73                80
 12/07/2021   06:45:05   (   0.03,-137.18) (  -0.19,-138.09)  104.93                80
 12/08/2021   06:21:45   (   0.03,-137.17) (   0.91,-133.10)  463.33                80
 12/09/2021   18:40:39   (  -0.02,-137.16) (   0.08,-137.67)   57.75                80
 12/12/2021   06:41:38   (   0.02,-137.13) (  -0.02,-137.25)   14.55                80
 12/14/2021   18:39:51   (  -0.01,-137.10) (  -0.05,-136.81)   32.21                80
 12/16/2021   06:58:51   (   0.01,-137.08) (  -0.94,-141.41)  493.68                80
 12/17/2021   06:38:12   (   0.01,-137.06) (   0.16,-136.41)   73.78                80