Simultaneous Nadir Overpasses (SNOs) between GOES-17 and METOP-B
TLE Epoch: 2021 1 30.  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)
 01/30/2021   06:24:31   (  -0.00,-137.22) (   0.70,-133.99)  367.82                80
 01/31/2021   18:43:22   (   0.00,-137.24) (   0.30,-138.55)  149.15                80
 02/01/2021   18:25:23   (   0.00,-137.25) (  -0.83,-133.56)  420.63                80
 02/03/2021   06:44:23   (  -0.00,-137.24) (  -0.21,-138.15)  103.90                80
 02/04/2021   06:21:04   (  -0.00,-137.24) (   0.92,-133.16)  465.36                80
 02/05/2021   18:39:55   (   0.00,-137.25) (   0.08,-137.72)   53.09                80
 02/08/2021   06:40:55   (  -0.01,-137.22) (  -0.04,-137.31)   10.03                80
 02/10/2021   18:39:07   (   0.01,-137.21) (  -0.09,-136.88)   38.90                80
 02/12/2021   06:58:06   (  -0.01,-137.19) (  -0.98,-141.46)  487.14                80