Simultaneous Nadir Overpasses (SNOs) between GOES-17 and METOP-B
TLE Epoch: 2021 9 28.  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)
 09/28/2021   06:41:17   (   0.04,-137.20) (   0.05,-137.26)    6.31                80
 09/30/2021   18:39:28   (  -0.04,-137.20) (  -0.10,-136.81)   43.32                80
 10/02/2021   06:55:49   (   0.03,-137.17) (  -0.89,-141.42)  482.97                80
 10/03/2021   06:37:48   (   0.03,-137.16) (   0.17,-136.41)   85.22                80
 10/04/2021   18:54:00   (  -0.03,-137.15) (   0.83,-140.97)  435.13                80
 10/05/2021   18:36:00   (  -0.03,-137.14) (  -0.28,-135.98)  132.69                80
 10/07/2021   06:52:20   (   0.03,-137.11) (  -0.75,-140.57)  394.51                80
 10/08/2021   06:34:21   (   0.03,-137.09) (   0.37,-135.57)  172.81                80
 10/09/2021   18:50:32   (  -0.03,-137.07) (   0.64,-140.13)  349.03                80
 10/10/2021   18:32:33   (  -0.03,-137.04) (  -0.48,-135.14)  217.74                80