Simultaneous Nadir Overpasses (SNOs) between GOES-17 and METOP-B
TLE Epoch: 2021 7 22.  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)
 07/22/2021   06:45:24   (  -0.01,-137.19) (  -0.41,-138.95)  201.19                80
 07/23/2021   06:27:24   (  -0.02,-137.18) (   0.68,-133.95)  367.18                80
 07/24/2021   18:43:38   (   0.01,-137.18) (   0.29,-138.53)  152.93                80
 07/25/2021   18:25:38   (   0.01,-137.17) (  -0.80,-133.53)  415.26                80
 07/27/2021   06:41:59   (   0.01,-137.15) (  -0.22,-138.12)  111.19                80
 07/28/2021   06:24:00   (   0.01,-137.14) (   0.93,-133.14)  456.93                80
 07/29/2021   18:40:12   (  -0.01,-137.14) (   0.10,-137.70)   63.44                80
 08/01/2021   06:38:33   (   0.01,-137.09) (  -0.03,-137.29)   22.31                80
 08/03/2021   18:39:26   (   0.01,-137.06) (  -0.05,-136.85)   23.88                80