Simultaneous Nadir Overpasses (SNOs) between GOES-16 and METOP-B
TLE Epoch: 2021 4 3.  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)
 04/04/2021   02:39:14   (  -0.03, -75.18) (  -0.39, -76.88)  192.69                80
 04/05/2021   02:15:54   (  -0.03, -75.18) (   0.69, -71.88)  376.27                80
 04/06/2021   14:34:45   (   0.03, -75.22) (   0.33, -76.44)  140.03                80
 04/07/2021   14:16:45   (   0.03, -75.22) (  -0.81, -71.45)  429.67                80
 04/09/2021   02:35:45   (  -0.03, -75.20) (  -0.20, -76.04)   96.01                80
 04/10/2021   02:12:24   (  -0.02, -75.21) (   0.88, -71.04)  474.13                80
 04/11/2021   14:31:16   (   0.02, -75.25) (   0.12, -75.61)   40.57                80
 04/14/2021   02:29:35   (  -0.02, -75.26) (   0.01, -75.21)    6.12                80
 04/16/2021   14:30:26   (   0.02, -75.32) (  -0.09, -74.77)   62.40                80