Simultaneous Nadir Overpasses (SNOs) between GOES-17 and METOP-B
TLE Epoch: 2020 12 31.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  METOP-B Lat/Lon    Distance(km)  Time Diff(sec)
 12/31/2020   06:47:42   (   0.02,-137.22) (  -0.36,-138.96)  198.00                80
 01/01/2021   06:24:24   (   0.02,-137.22) (   0.77,-133.97)  370.54                80
 01/02/2021   18:45:56   (  -0.02,-137.22) (   0.25,-138.53)  148.84                80
 01/03/2021   18:22:36   (  -0.02,-137.22) (  -0.82,-133.53)  419.57                80
 01/05/2021   06:44:18   (   0.01,-137.20) (  -0.23,-138.13)  106.69                80
 01/06/2021   06:20:59   (   0.01,-137.19) (   0.91,-133.14)  461.25                80
 01/07/2021   18:39:52   (  -0.01,-137.18) (   0.11,-137.70)   59.32                80
 01/10/2021   06:40:54   (   0.02,-137.14) (  -0.02,-137.31)   19.64                80
 01/12/2021   18:39:07   (  -0.01,-137.10) (  -0.05,-136.87)   25.61                80