Simultaneous Nadir Overpasses (SNOs) between GOES-17 and METOP-B
TLE Epoch: 2020 4 15.  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)
 04/16/2020   18:43:37   (   0.03,-137.18) (   0.33,-138.55)  156.26                80
 04/17/2020   18:25:38   (   0.03,-137.17) (  -0.77,-133.55)  411.95                80
 04/19/2020   06:44:38   (  -0.03,-137.14) (  -0.28,-138.15)  115.70                80
 04/20/2020   06:21:20   (  -0.03,-137.13) (   0.88,-133.16)  452.30                80
 04/21/2020   18:40:11   (   0.03,-137.13) (   0.16,-137.72)   67.04                80
 04/24/2020   06:41:13   (  -0.02,-137.08) (  -0.05,-137.33)   28.14                80
 04/26/2020   18:39:25   (   0.02,-137.05) (  -0.01,-136.89)   18.25                80
 04/29/2020   06:35:06   (  -0.01,-136.97) (   0.06,-136.49)   54.53                80