Simultaneous Nadir Overpasses (SNOs) between GOES-17 and METOP-B
TLE Epoch: 2021 10 25.  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)
 10/27/2021   06:41:20   (   0.04,-137.22) (   0.06,-137.27)    6.13                80
 10/29/2021   18:39:32   (  -0.03,-137.22) (  -0.10,-136.83)   44.18                80
 10/31/2021   06:58:32   (   0.03,-137.20) (  -0.94,-141.42)  481.24                80
 11/01/2021   06:35:13   (   0.03,-137.20) (   0.23,-136.44)   87.18                80
 11/02/2021   18:54:05   (  -0.03,-137.19) (   0.84,-140.99)  433.24                80
 11/03/2021   18:36:05   (  -0.03,-137.18) (  -0.27,-135.99)  134.79                80
 11/05/2021   06:55:05   (   0.03,-137.16) (  -0.76,-140.59)  391.82                80
 11/06/2021   06:31:46   (   0.03,-137.14) (   0.35,-135.59)  175.57                80
 11/07/2021   18:50:38   (  -0.02,-137.12) (   0.66,-140.16)  346.63                80