Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2019 10 28.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 10/28/2019   06:31:16   (  -0.00, -75.20) (   0.01, -75.24)    5.28                80
 10/30/2019   18:31:21   (  -0.00, -75.21) (  -0.16, -75.91)   80.16                80
 10/31/2019   18:15:06   (  -0.00, -75.21) (   0.85, -71.33)  441.67                80
 11/02/2019   06:36:37   (   0.01, -75.22) (   0.32, -76.53)  150.48                80
 11/03/2019   06:15:02   (   0.01, -75.23) (  -0.69, -71.96)  371.76                80
 11/04/2019   18:36:42   (  -0.02, -75.24) (  -0.46, -77.20)  223.33                80
 11/05/2019   18:17:46   (  -0.02, -75.25) (   0.56, -72.62)  299.28                80
 11/07/2019   06:41:58   (   0.02, -75.27) (   0.62, -77.83)  291.58                80
 11/08/2019   06:20:23   (   0.02, -75.29) (  -0.45, -73.26)  231.47                80
 11/09/2019   18:44:42   (  -0.02, -75.32) (  -0.75, -78.50)  362.35                80
 11/10/2019   18:23:07   (  -0.02, -75.34) (   0.27, -73.92)  161.08                80