Simultaneous Nadir Overpasses (SNOs) between GOES-17 and METOP-B
TLE Epoch: 2021 6 24.  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)
 06/24/2021   06:27:15   (  -0.03,-137.20) (   0.66,-133.96)  368.23                80
 06/25/2021   18:43:29   (   0.03,-137.20) (   0.30,-138.53)  151.04                80
 06/26/2021   18:25:29   (   0.03,-137.20) (  -0.78,-133.53)  417.90                80
 06/28/2021   06:44:30   (  -0.03,-137.19) (  -0.22,-138.13)  107.03                80
 06/29/2021   06:21:11   (  -0.03,-137.19) (   0.87,-133.13)  461.76                80
 06/30/2021   18:40:03   (   0.02,-137.19) (   0.15,-137.69)   57.96                80
 07/03/2021   06:38:25   (  -0.02,-137.17) (  -0.06,-137.30)   14.32                80
 07/05/2021   18:39:19   (   0.02,-137.16) (  -0.06,-136.87)   33.43                80
 07/07/2021   06:58:19   (  -0.02,-137.13) (  -0.98,-141.46)  492.57                80