Simultaneous Nadir Overpasses (SNOs) between GOES-17 and METOP-B
TLE Epoch: 2021 7 3.  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)
 07/03/2021   06:38:26   (  -0.02,-137.17) (  -0.02,-137.30)   14.17                80
 07/05/2021   18:39:19   (   0.02,-137.16) (  -0.04,-136.86)   34.22                80
 07/07/2021   06:55:39   (  -0.02,-137.14) (  -1.01,-141.45)  491.97                80
 07/08/2021   06:37:40   (  -0.02,-137.12) (   0.14,-136.46)   75.79                80
 07/09/2021   18:53:53   (   0.02,-137.11) (   0.89,-141.02)  445.85                80
 07/10/2021   18:35:53   (   0.02,-137.09) (  -0.20,-136.02)  121.38                80
 07/12/2021   06:52:14   (  -0.02,-137.05) (  -0.83,-140.61)  406.16                80
 07/13/2021   06:34:15   (  -0.02,-137.03) (   0.32,-135.63)  160.71                80
 07/14/2021   18:50:27   (   0.02,-137.01) (   0.72,-140.19)  362.00                80
 07/15/2021   18:32:28   (   0.02,-136.98) (  -0.37,-135.19)  204.61                80