Simultaneous Nadir Overpasses (SNOs) between GOES-16 and METOP-B
TLE Epoch: 2021 4 5.  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)
 04/06/2021   14:34:45   (   0.03, -75.21) (   0.33, -76.44)  140.50                80
 04/07/2021   14:16:45   (   0.03, -75.21) (  -0.81, -71.45)  428.98                80
 04/09/2021   02:35:45   (  -0.03, -75.19) (  -0.20, -76.04)   97.07                80
 04/10/2021   02:12:24   (  -0.03, -75.19) (   0.88, -71.04)  472.87                80
 04/11/2021   14:31:15   (   0.03, -75.24) (   0.13, -75.60)   42.05                80
 04/14/2021   02:29:35   (  -0.03, -75.24) (   0.00, -75.21)    4.55                80
 04/16/2021   14:30:26   (   0.03, -75.30) (  -0.09, -74.77)   59.77                80
 04/18/2021   02:49:25   (  -0.02, -75.29) (  -0.93, -79.37)  464.45                80
 04/19/2021   02:26:06   (  -0.02, -75.31) (   0.21, -74.38)  106.26                80