Simultaneous Nadir Overpasses (SNOs) between GOES-16 and METOP-B
TLE Epoch: 2021 6 1.  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)
 06/02/2021   02:16:18   (   0.03, -75.21) (   0.76, -71.94)  372.76                80
 06/03/2021   14:37:50   (  -0.03, -75.25) (   0.24, -76.50)  142.58                80
 06/04/2021   14:14:32   (  -0.04, -75.27) (  -0.89, -71.52)  427.94                80
 06/06/2021   02:36:13   (   0.03, -75.27) (  -0.15, -76.11)   95.41                80
 06/07/2021   02:12:55   (   0.04, -75.29) (   0.99, -71.12)  475.43                80
 06/08/2021   14:34:27   (  -0.03, -75.34) (   0.01, -75.68)   39.01                80
 06/11/2021   02:30:09   (   0.04, -75.37) (   0.04, -75.28)    9.63                80
 06/13/2021   14:28:23   (  -0.05, -75.44) (  -0.16, -74.85)   66.41                80