Simultaneous Nadir Overpasses (SNOs) between GOES-17 and METOP-B
TLE Epoch: 2021 2 10.  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)
 02/10/2021   18:36:26   (   0.03,-137.22) (  -0.07,-136.87)   40.53                80
 02/12/2021   06:55:26   (  -0.03,-137.22) (  -1.00,-141.46)  484.12                80
 02/13/2021   06:37:26   (  -0.03,-137.22) (   0.12,-136.47)   85.18                80
 02/14/2021   18:53:38   (   0.03,-137.23) (   0.88,-141.03)  433.32                80
 02/15/2021   18:32:58   (   0.03,-137.22) (  -0.25,-136.03)  135.75                80
 02/17/2021   06:51:58   (  -0.02,-137.21) (  -0.76,-140.63)  389.43                80
 02/18/2021   06:33:58   (  -0.02,-137.21) (   0.31,-135.63)  179.29                80
 02/19/2021   18:50:09   (   0.02,-137.20) (   0.70,-140.19)  340.49                80
 02/20/2021   18:32:10   (   0.02,-137.19) (  -0.42,-135.20)  227.63                80
 02/22/2021   06:48:30   (  -0.01,-137.17) (  -0.57,-139.80)  299.16                80
 02/23/2021   06:30:30   (  -0.00,-137.15) (   0.50,-134.79)  268.50                80