Simultaneous Nadir Overpasses (SNOs) between GOES-16 and METOP-B
TLE Epoch: 2021 6 3.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  METOP-B Lat/Lon    Distance(km)  Time Diff(sec)
 06/03/2021   14:37:50   (  -0.03, -75.25) (   0.25, -76.50)  142.67                80
 06/04/2021   14:14:32   (  -0.04, -75.26) (  -0.88, -71.51)  427.75                80
 06/06/2021   02:36:13   (   0.03, -75.27) (  -0.15, -76.11)   95.72                80
 06/07/2021   02:12:55   (   0.04, -75.28) (   0.98, -71.12)  475.02                80
 06/08/2021   14:34:27   (  -0.03, -75.33) (   0.02, -75.68)   39.53                80
 06/11/2021   02:30:10   (   0.04, -75.36) (   0.08, -75.29)    9.01                80
 06/13/2021   14:28:23   (  -0.05, -75.43) (  -0.15, -74.85)   65.37                80
 06/15/2021   02:50:04   (   0.05, -75.44) (  -0.88, -79.45)  456.95                80
 06/16/2021   02:26:45   (   0.06, -75.47) (   0.26, -74.46)  114.47                80