Simultaneous Nadir Overpasses (SNOs) between GOES-17 and METOP-B
TLE Epoch: 2021 7 5.  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)
 07/05/2021   18:39:19   (   0.02,-137.17) (  -0.06,-136.87)   35.00                80
 07/07/2021   06:55:39   (  -0.02,-137.17) (  -0.98,-141.45)  488.13                80
 07/08/2021   06:37:41   (  -0.02,-137.17) (   0.16,-136.47)   81.05                80
 07/09/2021   18:53:53   (   0.02,-137.17) (   0.86,-141.03)  439.57                80
 07/10/2021   18:35:54   (   0.02,-137.16) (  -0.22,-136.03)  129.09                80
 07/12/2021   06:52:14   (  -0.02,-137.15) (  -0.81,-140.62)  395.31                80
 07/13/2021   06:34:15   (  -0.02,-137.15) (   0.33,-135.63)  172.96                80
 07/14/2021   18:50:28   (   0.01,-137.13) (   0.70,-140.19)  348.85                80
 07/15/2021   18:32:28   (   0.01,-137.12) (  -0.39,-135.19)  219.12                80
 07/17/2021   06:48:49   (  -0.01,-137.10) (  -0.64,-139.78)  306.21                80
 07/18/2021   06:30:50   (  -0.01,-137.09) (   0.51,-134.80)  261.44                80