Simultaneous Nadir Overpasses (SNOs) between GOES-17 and METOP-B
TLE Epoch: 2019 6 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)
 06/21/2019   18:49:28   (  -0.02,-137.20) (   0.67,-140.21)  342.97                80
 06/22/2019   18:31:30   (  -0.03,-137.20) (  -0.49,-135.23)  225.93                80
 06/24/2019   06:50:29   (   0.03,-137.18) (  -0.59,-139.81)  300.17                80
 06/25/2019   06:27:11   (   0.04,-137.18) (   0.58,-134.83)  268.26                80
 06/26/2019   18:46:03   (  -0.04,-137.18) (   0.43,-139.39)  250.84                80
 06/27/2019   18:28:03   (  -0.04,-137.18) (  -0.67,-134.39)  317.54                80
 06/29/2019   06:47:03   (   0.03,-137.15) (  -0.40,-138.98)  209.30                80
 06/30/2019   06:23:44   (   0.04,-137.13) (   0.76,-133.99)  358.22                80
 07/01/2019   18:42:35   (  -0.03,-137.12) (   0.31,-138.54)  162.81                80
 07/02/2019   18:24:37   (  -0.04,-137.10) (  -0.86,-133.56)  404.34                80
 07/04/2019   06:43:36   (   0.04,-137.06) (  -0.21,-138.15)  124.06                80