Simultaneous Nadir Overpasses (SNOs) between GOES-17 and METOP-B
TLE Epoch: 2019 12 31.  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   18:38:50   (   0.02,-137.22) (  -0.06,-136.83)   43.59                80
 01/03/2020   06:55:11   (  -0.02,-137.22) (  -0.98,-141.43)  480.13                80
 01/04/2020   06:37:12   (  -0.02,-137.22) (   0.16,-136.44)   89.07                80
 01/05/2020   18:53:25   (   0.02,-137.22) (   0.86,-141.00)  430.65                80
 01/06/2020   18:35:25   (   0.02,-137.22) (  -0.22,-136.00)  138.12                80
 01/08/2020   06:51:47   (  -0.02,-137.20) (  -0.76,-140.61)  387.15                80
 01/09/2020   06:33:48   (  -0.03,-137.20) (   0.31,-135.60)  181.02                80
 01/10/2020   18:50:00   (   0.03,-137.18) (   0.70,-140.17)  340.39                80
 01/11/2020   18:32:02   (   0.03,-137.17) (  -0.44,-135.18)  227.39                80
 01/13/2020   06:48:23   (  -0.03,-137.14) (  -0.60,-139.77)  299.27                80
 01/14/2020   06:30:24   (  -0.04,-137.12) (   0.48,-134.77)  268.17                80