Simultaneous Nadir Overpasses (SNOs) between GOES-16 and METOP-B
TLE Epoch: 2021 4 6.  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) (   0.30, -76.44)  140.53                80
 04/07/2021   14:16:45   (   0.03, -75.21) (  -0.78, -71.44)  428.88                80
 04/09/2021   02:35:44   (  -0.03, -75.19) (  -0.23, -76.04)   97.22                80
 04/10/2021   02:12:25   (  -0.03, -75.19) (   0.91, -71.05)  472.66                80
 04/11/2021   14:31:16   (   0.03, -75.24) (   0.10, -75.61)   42.39                80
 04/14/2021   02:29:35   (  -0.03, -75.23) (  -0.03, -75.20)    3.28                80
 04/16/2021   14:30:27   (   0.03, -75.29) (  -0.11, -74.78)   59.22                80
 04/18/2021   02:49:26   (  -0.02, -75.29) (  -0.91, -79.37)  465.14                80
 04/19/2021   02:26:05   (  -0.02, -75.30) (   0.18, -74.37)  105.49                80