Simultaneous Nadir Overpasses (SNOs) between GOES-17 and METOP-B
TLE Epoch: 2021 6 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)
 06/04/2021   06:38:13   (  -0.04,-137.18) (  -0.09,-137.29)   12.66                80
 06/06/2021   18:39:07   (   0.04,-137.19) (  -0.04,-136.86)   37.19                80
 06/08/2021   06:55:28   (  -0.03,-137.17) (  -0.99,-141.46)  489.03                80
 06/09/2021   06:37:30   (  -0.03,-137.16) (   0.15,-136.47)   79.03                80
 06/10/2021   18:53:42   (   0.03,-137.15) (   0.86,-141.03)  441.61                80
 06/11/2021   18:35:42   (   0.02,-137.14) (  -0.21,-136.03)  125.90                80
 06/13/2021   06:54:44   (  -0.02,-137.10) (  -0.81,-140.62)  401.77                80
 06/14/2021   06:31:25   (  -0.01,-137.08) (   0.33,-135.64)  165.28                80
 06/15/2021   18:50:18   (   0.01,-137.06) (   0.69,-140.20)  356.69                80
 06/16/2021   18:32:18   (   0.01,-137.04) (  -0.39,-135.20)  210.14                80