Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2019 6 29.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 06/29/2019   06:18:41   (  -0.02, -75.20) (  -0.57, -72.75)  278.58                80
 06/30/2019   18:40:21   (   0.02, -75.20) (  -0.63, -77.99)  318.45                80
 07/01/2019   18:24:06   (   0.02, -75.20) (   0.41, -73.42)  202.71                80
 07/03/2019   06:45:39   (  -0.02, -75.20) (   0.73, -78.64)  391.00                80
 07/04/2019   06:24:03   (  -0.01, -75.20) (  -0.26, -74.06)  130.32                80
 07/05/2019   18:45:44   (   0.01, -75.21) (  -0.93, -79.30)  465.99                80
 07/06/2019   18:29:29   (  -0.00, -75.22) (   0.12, -74.73)   55.89                80
 07/09/2019   06:29:26   (   0.01, -75.24) (   0.04, -75.36)   14.44                80
 07/11/2019   18:32:12   (  -0.01, -75.27) (  -0.17, -76.04)   87.12                80
 07/12/2019   18:15:57   (  -0.00, -75.29) (   0.88, -71.47)  435.45                80