Simultaneous Nadir Overpasses (SNOs) between GOES-17 and METOP-B
TLE Epoch: 2021 7 1.  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,-137.18) (  -0.03,-137.30)   13.93                80
 07/05/2021   18:39:19   (   0.02,-137.17) (  -0.03,-136.86)   34.50                80
 07/07/2021   06:55:39   (  -0.02,-137.14) (  -1.01,-141.45)  491.71                80
 07/08/2021   06:37:40   (  -0.02,-137.13) (   0.13,-136.46)   75.97                80
 07/09/2021   18:53:53   (   0.02,-137.11) (   0.90,-141.02)  445.71                80
 07/10/2021   18:35:54   (   0.01,-137.09) (  -0.25,-136.03)  121.47                80
 07/12/2021   06:54:54   (  -0.01,-137.06) (  -0.79,-140.63)  406.11                80
 07/13/2021   06:31:35   (  -0.01,-137.04) (   0.30,-135.63)  160.71                80
 07/14/2021   18:50:27   (   0.01,-137.01) (   0.73,-140.18)  362.04                80
 07/15/2021   18:32:29   (   0.01,-136.99) (  -0.41,-135.20)  204.59                80