Simultaneous Nadir Overpasses (SNOs) between GOES-17 and METOP-B
TLE Epoch: 2019 12 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)
 12/11/2019   06:30:52   (  -0.02,-137.20) (   0.36,-135.60)  183.37                80
 12/12/2019   18:49:44   (   0.02,-137.21) (   0.68,-140.15)  335.09                80
 12/13/2019   18:31:46   (   0.03,-137.22) (  -0.44,-135.16)  234.43                80
 12/15/2019   06:48:07   (  -0.04,-137.21) (  -0.58,-139.76)  289.60                80
 12/16/2019   06:30:08   (  -0.04,-137.21) (   0.49,-134.76)  279.42                80
 12/17/2019   18:46:21   (   0.05,-137.21) (   0.49,-139.33)  240.38                80
 12/18/2019   18:28:21   (   0.05,-137.21) (  -0.58,-134.32)  328.44                80
 12/20/2019   06:44:43   (  -0.05,-137.20) (  -0.45,-138.92)  196.53                80
 12/21/2019   06:26:44   (  -0.05,-137.19) (   0.68,-133.93)  371.84                80
 12/22/2019   18:42:56   (   0.05,-137.18) (   0.35,-138.49)  149.06                80
 12/23/2019   18:24:58   (   0.05,-137.17) (  -0.78,-133.50)  419.01                80