Simultaneous Nadir Overpasses (SNOs) between GOES-17 and METOP-B
TLE Epoch: 2021 2 1.  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)
 02/01/2021   18:22:43   (   0.02,-137.25) (  -0.80,-133.55)  421.77                80
 02/03/2021   06:44:23   (  -0.02,-137.23) (  -0.23,-138.14)  104.10                80
 02/04/2021   06:21:03   (  -0.02,-137.23) (   0.89,-133.15)  464.49                80
 02/05/2021   18:39:55   (   0.02,-137.23) (   0.10,-137.71)   54.55                80
 02/08/2021   06:40:55   (  -0.00,-137.19) (  -0.00,-137.32)   14.33                80
 02/10/2021   18:39:06   (   0.00,-137.17) (  -0.07,-136.87)   33.63                80
 02/12/2021   06:58:07   (  -0.00,-137.13) (  -0.95,-141.47)  493.85                80
 02/13/2021   06:34:46   (  -0.00,-137.12) (   0.12,-136.46)   73.86                80
 02/14/2021   18:53:37   (   0.00,-137.11) (   0.89,-141.03)  446.75                80