Simultaneous Nadir Overpasses (SNOs) between GOES-17 and METOP-B
TLE Epoch: 2020 4 20.  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)
 04/21/2020   18:40:11   (   0.03,-137.20) (   0.14,-137.72)   59.13                80
 04/24/2020   06:41:12   (  -0.03,-137.19) (  -0.09,-137.32)   15.69                80
 04/26/2020   18:39:25   (   0.03,-137.19) (  -0.03,-136.89)   33.44                80
 04/28/2020   06:58:25   (  -0.02,-137.16) (  -1.02,-141.49)  493.32                80
 04/29/2020   06:35:07   (  -0.02,-137.15) (   0.15,-136.50)   74.31                80
 04/30/2020   18:53:58   (   0.01,-137.14) (   0.89,-141.06)  446.88                80
 05/01/2020   18:35:59   (   0.01,-137.12) (  -0.21,-136.06)  120.43                80
 05/03/2020   06:54:59   (  -0.01,-137.09) (  -0.83,-140.66)  407.44                80
 05/04/2020   06:31:40   (  -0.01,-137.07) (   0.33,-135.67)  159.63                80