Simultaneous Nadir Overpasses (SNOs) between GOES-16 and METOP-B
TLE Epoch: 2021 6 4.  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)
 06/04/2021   14:14:31   (  -0.03, -75.24) (  -0.86, -71.51)  424.89                80
 06/06/2021   02:36:13   (   0.03, -75.22) (  -0.17, -76.10)  100.34                80
 06/07/2021   02:12:54   (   0.03, -75.23) (   0.96, -71.12)  468.84                80
 06/08/2021   14:34:27   (  -0.03, -75.24) (   0.04, -75.68)   48.78                80
 06/11/2021   02:32:48   (   0.03, -75.24) (   0.00, -75.27)    4.75                80
 06/13/2021   14:28:22   (  -0.04, -75.27) (  -0.13, -74.85)   48.13                80
 06/15/2021   02:50:03   (   0.04, -75.27) (  -0.89, -79.44)  475.86                80
 06/16/2021   02:26:45   (   0.05, -75.28) (   0.25, -74.45)   94.00                80
 06/17/2021   14:48:17   (  -0.05, -75.31) (   0.77, -79.02)  422.32                80