Simultaneous Nadir Overpasses (SNOs) between GOES-17 and METOP-B
TLE Epoch: 2020 4 18.  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)
 04/19/2020   06:44:39   (  -0.03,-137.18) (  -0.24,-138.16)  111.01                80
 04/20/2020   06:21:19   (  -0.03,-137.18) (   0.86,-133.16)  457.96                80
 04/21/2020   18:40:12   (   0.03,-137.19) (   0.13,-137.73)   60.52                80
 04/24/2020   06:41:12   (  -0.03,-137.17) (  -0.07,-137.32)   18.23                80
 04/26/2020   18:39:25   (   0.03,-137.16) (  -0.05,-136.90)   29.94                80
 04/28/2020   06:58:26   (  -0.02,-137.12) (  -1.00,-141.49)  497.95                80
 04/29/2020   06:35:06   (  -0.02,-137.10) (   0.11,-136.49)   69.21                80
 04/30/2020   18:53:58   (   0.01,-137.09) (   0.87,-141.06)  452.25                80
 05/01/2020   18:35:59   (   0.01,-137.07) (  -0.23,-136.07)  114.66                80