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)
 01/01/2020   18:38:49   (   0.03,-137.22) (  -0.03,-136.83)   43.67                80
 01/03/2020   06:55:11   (  -0.03,-137.22) (  -0.95,-141.44)  480.08                80
 01/04/2020   06:37:12   (  -0.03,-137.22) (   0.13,-136.43)   89.11                80
 01/05/2020   18:53:24   (   0.03,-137.22) (   0.88,-140.99)  430.84                80
 01/06/2020   18:35:26   (   0.03,-137.21) (  -0.25,-136.01)  137.88                80
 01/08/2020   06:51:47   (  -0.03,-137.20) (  -0.79,-140.60)  387.32                80
 01/09/2020   06:33:49   (  -0.03,-137.19) (   0.35,-135.61)  180.85                80
 01/10/2020   18:50:00   (   0.03,-137.17) (   0.72,-140.16)  340.81                80
 01/11/2020   18:32:01   (   0.04,-137.16) (  -0.41,-135.17)  226.93                80
 01/13/2020   06:48:23   (  -0.04,-137.13) (  -0.62,-139.77)  299.66                80