Simultaneous Nadir Overpasses (SNOs) between GOES-16 and METOP-B
TLE Epoch: 2021 8 8.  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)
 08/10/2021   14:28:38   (   0.00, -75.27) (  -0.07, -74.81)   51.19                80
 08/12/2021   02:50:18   (  -0.01, -75.26) (  -0.96, -79.40)  472.93                80
 08/13/2021   02:27:00   (  -0.00, -75.27) (   0.20, -74.42)   97.19                80
 08/14/2021   14:48:31   (   0.02, -75.31) (   0.86, -78.97)  417.30                80
 08/15/2021   14:25:13   (   0.01, -75.33) (  -0.30, -73.98)  153.08                80
 08/17/2021   02:46:53   (  -0.03, -75.32) (  -0.74, -78.58)  370.37                80
 08/18/2021   02:23:34   (  -0.02, -75.34) (   0.36, -73.58)  199.99                80
 08/19/2021   14:45:06   (   0.03, -75.38) (   0.63, -78.14)  314.06                80
 08/20/2021   14:21:46   (   0.02, -75.40) (  -0.47, -73.15)  256.75                80