Simultaneous Nadir Overpasses (SNOs) between GOES-17 and METOP-C
TLE Epoch: 2021 12 8.  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)
 12/08/2021   06:21:46   (   0.03,-137.20) (   0.93,-133.10)  467.05                80
 12/09/2021   18:43:19   (  -0.03,-137.21) (   0.06,-137.67)   52.52                80
 12/12/2021   06:41:39   (   0.02,-137.21) (  -0.00,-137.26)    5.95                80
 12/14/2021   18:37:13   (  -0.02,-137.21) (  -0.13,-136.83)   43.55                80
 12/16/2021   06:58:52   (   0.02,-137.21) (  -0.93,-141.42)  479.97                80
 12/17/2021   06:35:32   (   0.02,-137.20) (   0.17,-136.42)   88.66                80
 12/18/2021   18:54:25   (  -0.01,-137.19) (   0.84,-140.98)  432.51                80
 12/19/2021   18:36:25   (  -0.01,-137.18) (  -0.26,-135.98)  135.78                80
 12/21/2021   06:55:25   (   0.00,-137.16) (  -0.74,-140.58)  389.08                80