Simultaneous Nadir Overpasses (SNOs) between GOES-17 and METOP-B
TLE Epoch: 2021 10 22.  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)
 10/22/2021   06:44:45   (   0.05,-137.21) (  -0.14,-138.10)  101.46                80
 10/23/2021   06:21:26   (   0.05,-137.21) (   0.96,-133.10)  468.44                80
 10/24/2021   18:40:18   (  -0.04,-137.23) (   0.04,-137.67)   49.88                80
 10/27/2021   06:41:19   (   0.04,-137.23) (   0.02,-137.26)    4.59                80
 10/29/2021   18:39:32   (  -0.03,-137.23) (  -0.12,-136.83)   44.93                80
 10/31/2021   06:58:32   (   0.03,-137.22) (  -0.91,-141.43)  479.77                80
 11/01/2021   06:35:13   (   0.03,-137.21) (   0.19,-136.43)   88.72                80
 11/02/2021   18:54:05   (  -0.02,-137.20) (   0.81,-141.00)  431.93                80
 11/03/2021   18:36:06   (  -0.02,-137.19) (  -0.29,-136.00)  136.20                80