Simultaneous Nadir Overpasses (SNOs) between GOES-17 and METOP-B
TLE Epoch: 2021 1 2.  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)
 01/02/2021   18:45:56   (  -0.01,-137.22) (   0.26,-138.53)  148.83                80
 01/03/2021   18:22:36   (  -0.01,-137.21) (  -0.81,-133.53)  419.62                80
 01/05/2021   06:44:18   (  -0.00,-137.19) (  -0.23,-138.12)  106.78                80
 01/06/2021   06:20:59   (   0.00,-137.18) (   0.90,-133.14)  461.11                80
 01/07/2021   18:39:51   (  -0.01,-137.18) (   0.11,-137.70)   59.41                80
 01/10/2021   06:40:54   (   0.02,-137.13) (  -0.03,-137.31)   20.16                80
 01/12/2021   18:39:07   (  -0.01,-137.09) (  -0.04,-136.87)   25.25                80
 01/15/2021   06:37:30   (   0.00,-137.03) (   0.13,-136.48)   63.34                80