Simultaneous Nadir Overpasses (SNOs) between GOES-17 and METOP-B
TLE Epoch: 2021 10 15.  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)
 10/15/2021   18:29:10   (  -0.04,-137.20) (  -0.67,-134.32)  327.48                80
 10/17/2021   06:48:11   (   0.04,-137.20) (  -0.33,-138.93)  196.48                80
 10/18/2021   06:24:52   (   0.04,-137.20) (   0.77,-133.93)  372.32                80
 10/19/2021   18:43:44   (  -0.04,-137.19) (   0.23,-138.49)  148.29                80
 10/20/2021   18:25:44   (  -0.04,-137.18) (  -0.87,-133.50)  420.30                80
 10/22/2021   06:44:45   (   0.04,-137.18) (  -0.19,-138.09)  104.37                80
 10/23/2021   06:21:26   (   0.04,-137.17) (   0.97,-133.10)  463.75                80
 10/24/2021   18:40:17   (  -0.03,-137.15) (   0.09,-137.66)   58.25                80
 10/27/2021   06:41:19   (   0.03,-137.11) (   0.02,-137.26)   16.77                80