Simultaneous Nadir Overpasses (SNOs) between GOES-16 and METOP-B
TLE Epoch: 2021 8 30.  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)
 08/30/2021   14:14:53   (   0.04, -75.22) (  -0.77, -71.46)  428.65                80
 09/01/2021   02:36:33   (  -0.06, -75.21) (  -0.27, -76.05)   96.64                80
 09/02/2021   02:13:14   (  -0.05, -75.21) (   0.89, -71.06)  472.88                80
 09/03/2021   14:34:46   (   0.06, -75.25) (   0.14, -75.62)   42.43                80
 09/06/2021   02:33:07   (  -0.07, -75.24) (  -0.08, -75.21)    3.48                80
 09/08/2021   14:28:39   (   0.07, -75.30) (  -0.07, -74.79)   58.86                80
 09/10/2021   02:50:20   (  -0.08, -75.30) (  -0.98, -79.38)  464.60                80
 09/11/2021   02:27:00   (  -0.07, -75.31) (   0.13, -74.38)  105.91                80
 09/12/2021   14:48:32   (   0.09, -75.36) (   0.89, -78.94)  407.99                80