Simultaneous Nadir Overpasses (SNOs) between GOES-17 and METOP-B
TLE Epoch: 2021 7 27.  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)
 07/27/2021   06:41:59   (   0.01,-137.18) (  -0.19,-138.13)  107.94                80
 07/28/2021   06:24:00   (   0.01,-137.19) (   0.90,-133.13)  462.07                80
 07/29/2021   18:40:12   (  -0.01,-137.21) (   0.12,-137.69)   55.56                80
 08/01/2021   06:41:14   (   0.01,-137.21) (   0.01,-137.30)    9.60                80
 08/03/2021   18:39:27   (   0.01,-137.22) (  -0.08,-136.86)   41.42                80
 08/05/2021   06:58:27   (  -0.01,-137.21) (  -0.94,-141.45)  483.37                80
 08/06/2021   06:35:07   (  -0.00,-137.20) (   0.16,-136.45)   85.01                80
 08/07/2021   18:54:00   (   0.00,-137.20) (   0.86,-141.01)  435.14                80
 08/08/2021   18:36:00   (   0.00,-137.19) (  -0.24,-136.02)  133.10                80