Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2019 9 23.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 09/23/2019   18:31:43   (  -0.01, -75.21) (  -0.20, -75.98)   88.28                80
 09/24/2019   18:15:28   (  -0.01, -75.21) (   0.86, -71.41)  433.32                80
 09/26/2019   06:36:59   (   0.01, -75.21) (   0.30, -76.62)  160.20                80
 09/27/2019   06:15:24   (   0.01, -75.21) (  -0.70, -72.04)  361.66                80
 09/28/2019   18:37:04   (  -0.01, -75.24) (  -0.49, -77.28)  233.10                80
 09/29/2019   18:20:50   (  -0.01, -75.25) (   0.58, -72.72)  289.25                80
 10/01/2019   06:42:21   (   0.01, -75.26) (   0.58, -77.92)  302.92                80
 10/02/2019   06:20:46   (   0.01, -75.27) (  -0.43, -73.34)  219.62                80
 10/03/2019   18:42:26   (  -0.01, -75.30) (  -0.76, -78.58)  374.29                80
 10/04/2019   18:26:11   (  -0.01, -75.32) (   0.30, -74.02)  148.73                80
 10/06/2019   06:47:42   (   0.02, -75.34) (   0.91, -79.21)  442.23                80