Simultaneous Nadir Overpasses (SNOs) between GOES-17 and METOP-B
TLE Epoch: 2021 11 18.  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)
 11/18/2021   18:25:46   (  -0.05,-137.23) (  -0.90,-133.52)  422.87                80
 11/20/2021   06:44:46   (   0.04,-137.21) (  -0.15,-138.11)  101.92                80
 11/21/2021   06:21:26   (   0.04,-137.21) (   0.96,-133.11)  466.66                80
 11/22/2021   18:40:18   (  -0.03,-137.20) (   0.10,-137.67)   53.51                80
 11/25/2021   06:41:18   (   0.02,-137.17) (   0.02,-137.27)   11.52                80
 11/27/2021   18:39:30   (  -0.02,-137.15) (  -0.08,-136.83)   35.33                80
 11/29/2021   06:58:30   (   0.01,-137.12) (  -0.96,-141.42)  491.29                80
 11/30/2021   06:35:10   (   0.01,-137.10) (   0.15,-136.43)   75.99                80
 12/01/2021   18:54:02   (  -0.01,-137.07) (   0.84,-141.00)  446.46                80