Simultaneous Nadir Overpasses (SNOs) between GOES-17 and METOP-B
TLE Epoch: 2020 12 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)
 12/04/2020   18:43:03   (  -0.03,-137.22) (   0.28,-138.49)  145.24                80
 12/05/2020   18:25:04   (  -0.03,-137.21) (  -0.88,-133.50)  423.00                80
 12/07/2020   06:44:04   (   0.03,-137.18) (  -0.20,-138.08)  103.39                80
 12/08/2020   06:20:45   (   0.03,-137.17) (   0.96,-133.10)  464.46                80
 12/09/2020   18:39:36   (  -0.02,-137.16) (   0.11,-137.65)   56.31                80
 12/12/2020   06:40:37   (   0.02,-137.11) (  -0.03,-137.25)   16.38                80
 12/14/2020   18:38:50   (  -0.01,-137.07) (  -0.07,-136.81)   28.68                80
 12/16/2020   06:57:50   (   0.01,-137.02) (  -0.95,-141.41)  499.72                80
 12/17/2020   06:34:31   (   0.00,-136.99) (   0.15,-136.41)   66.77                80