Simultaneous Nadir Overpasses (SNOs) between GOES-17 and METOP-B
TLE Epoch: 2019 12 22.  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)
 12/23/2019   18:24:58   (   0.03,-137.21) (  -0.79,-133.50)  422.22                80
 12/25/2019   06:41:19   (  -0.03,-137.19) (  -0.24,-138.09)  103.47                80
 12/26/2019   06:23:21   (  -0.03,-137.18) (   0.89,-133.10)  464.67                80
 12/27/2019   18:39:33   (   0.03,-137.17) (   0.13,-137.66)   56.25                80
 12/30/2019   06:37:55   (  -0.04,-137.13) (  -0.09,-137.26)   14.88                80
 01/01/2020   18:38:49   (   0.05,-137.10) (  -0.02,-136.83)   31.49                80
 01/03/2020   06:55:10   (  -0.05,-137.07) (  -1.01,-141.42)  495.62                80
 01/04/2020   06:37:11   (  -0.05,-137.05) (   0.06,-136.42)   71.68                80
 01/05/2020   18:53:23   (   0.05,-137.03) (   0.95,-140.98)  450.95                80