Simultaneous Nadir Overpasses (SNOs) between GOES-17 and METOP-B
TLE Epoch: 2020 1 13.  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)
 01/14/2020   06:30:25   (  -0.02,-137.21) (   0.54,-134.78)  276.50                80
 01/15/2020   18:46:37   (   0.01,-137.22) (   0.47,-139.34)  241.54                80
 01/16/2020   18:28:37   (   0.02,-137.22) (  -0.61,-134.34)  327.74                80
 01/18/2020   06:44:59   (  -0.01,-137.21) (  -0.42,-138.94)  197.74                80
 01/19/2020   06:27:00   (  -0.02,-137.21) (   0.71,-133.95)  371.09                80
 01/20/2020   18:43:13   (   0.01,-137.21) (   0.29,-138.51)  148.18                80
 01/21/2020   18:25:13   (   0.02,-137.20) (  -0.79,-133.51)  420.33                80
 01/23/2020   06:41:34   (  -0.01,-137.18) (  -0.24,-138.11)  106.20                80
 01/24/2020   06:23:36   (  -0.02,-137.17) (   0.90,-133.12)  462.05                80
 01/25/2020   18:39:48   (   0.02,-137.17) (   0.11,-137.68)   58.17                80