Simultaneous Nadir Overpasses (SNOs) between GOES-17 and METOP-B
TLE Epoch: 2019 12 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)
 12/30/2019   06:37:56   (  -0.03,-137.20) (  -0.04,-137.27)    7.22                80
 01/01/2020   18:38:50   (   0.03,-137.22) (  -0.07,-136.84)   43.64                80
 01/03/2020   06:55:11   (  -0.03,-137.22) (  -0.97,-141.43)  480.00                80
 01/04/2020   06:37:13   (  -0.03,-137.22) (   0.17,-136.44)   89.23                80
 01/05/2020   18:53:25   (   0.03,-137.22) (   0.85,-141.00)  430.77                80
 01/06/2020   18:35:25   (   0.03,-137.21) (  -0.23,-136.00)  137.97                80
 01/08/2020   06:51:47   (  -0.03,-137.20) (  -0.81,-140.60)  387.18                80
 01/09/2020   06:33:48   (  -0.03,-137.19) (   0.33,-135.61)  180.99                80
 01/10/2020   18:50:00   (   0.03,-137.17) (   0.68,-140.17)  340.65                80
 01/11/2020   18:32:01   (   0.04,-137.16) (  -0.39,-135.17)  227.10                80