Simultaneous Nadir Overpasses (SNOs) between GOES-17 and METOP-C
TLE Epoch: 2021 12 9.  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   06:39:00   (   0.03,-137.21) (   0.05,-137.27)    6.79                80
 12/14/2021   18:37:12   (  -0.03,-137.21) (  -0.12,-136.83)   43.49                80
 12/16/2021   06:58:52   (   0.03,-137.21) (  -0.94,-141.41)  480.30                80
 12/17/2021   06:35:33   (   0.03,-137.20) (   0.22,-136.43)   88.27                80
 12/18/2021   18:54:26   (  -0.02,-137.19) (   0.80,-140.99)  432.67                80
 12/19/2021   18:36:26   (  -0.02,-137.18) (  -0.30,-135.99)  135.60                80
 12/21/2021   06:55:25   (   0.01,-137.16) (  -0.76,-140.57)  389.61                80
 12/22/2021   06:32:06   (   0.01,-137.15) (   0.34,-135.58)  178.19                80
 12/23/2021   18:50:58   (  -0.01,-137.12) (   0.66,-140.14)  343.87                80