Simultaneous Nadir Overpasses (SNOs) between GOES-17 and METOP-B
TLE Epoch: 2021 6 4.  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)
 06/04/2021   06:38:14   (  -0.04,-137.18) (  -0.05,-137.30)   12.44                80
 06/06/2021   18:39:06   (   0.03,-137.18) (  -0.02,-136.86)   37.00                80
 06/08/2021   06:55:28   (  -0.03,-137.16) (  -1.01,-141.45)  489.26                80
 06/09/2021   06:37:29   (  -0.03,-137.15) (   0.13,-136.46)   78.72                80
 06/10/2021   18:53:42   (   0.03,-137.14) (   0.88,-141.03)  442.04                80
 06/11/2021   18:35:42   (   0.02,-137.13) (  -0.20,-136.02)  125.44                80
 06/13/2021   06:52:03   (  -0.02,-137.10) (  -0.83,-140.62)  402.28                80
 06/14/2021   06:31:25   (  -0.01,-137.08) (   0.31,-135.63)  164.72                80
 06/15/2021   18:50:17   (   0.01,-137.06) (   0.70,-140.19)  357.37                80
 06/16/2021   18:32:18   (   0.01,-137.04) (  -0.38,-135.19)  209.41                80