Simultaneous Nadir Overpasses (SNOs) between GOES-17 and METOP-B
TLE Epoch: 2021 6 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)
 06/23/2021   06:45:15   (  -0.03,-137.20) (  -0.43,-138.96)  200.98                80
 06/24/2021   06:24:36   (  -0.03,-137.20) (   0.71,-133.97)  368.32                80
 06/25/2021   18:43:29   (   0.03,-137.21) (   0.31,-138.53)  150.90                80
 06/26/2021   18:25:29   (   0.03,-137.20) (  -0.78,-133.53)  418.14                80
 06/28/2021   06:44:30   (  -0.02,-137.20) (  -0.22,-138.13)  106.32                80
 06/29/2021   06:21:11   (  -0.02,-137.20) (   0.86,-133.13)  462.56                80
 06/30/2021   18:40:04   (   0.02,-137.20) (   0.10,-137.71)   57.19                80
 07/03/2021   06:38:25   (  -0.02,-137.19) (  -0.07,-137.29)   13.25                80
 07/05/2021   18:39:19   (   0.02,-137.17) (  -0.05,-136.87)   34.71                80