Simultaneous Nadir Overpasses (SNOs) between GOES-17 and METOP-C
TLE Epoch: 2021 12 11.  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)
 12/12/2021   06:41:39   (   0.04,-137.21) (   0.03,-137.26)    6.57                80
 12/14/2021   18:37:12   (  -0.03,-137.21) (  -0.10,-136.83)   43.04                80
 12/16/2021   06:58:52   (   0.03,-137.20) (  -0.90,-141.42)  481.07                80
 12/17/2021   06:35:33   (   0.03,-137.19) (   0.20,-136.43)   87.41                80
 12/18/2021   18:54:25   (  -0.03,-137.18) (   0.82,-140.99)  433.37                80
 12/19/2021   18:36:26   (  -0.03,-137.17) (  -0.29,-135.99)  134.77                80
 12/21/2021   06:55:26   (   0.02,-137.15) (  -0.72,-140.58)  390.75                80
 12/22/2021   06:32:07   (   0.02,-137.14) (   0.38,-135.59)  176.99                80
 12/23/2021   18:50:58   (  -0.01,-137.11) (   0.68,-140.14)  344.92                80
 12/24/2021   18:32:58   (  -0.01,-137.10) (  -0.43,-135.14)  222.60                80