Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2019 7 2.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 07/03/2019   06:42:58   (  -0.02, -75.19) (   0.74, -78.63)  391.62                80
 07/04/2019   06:26:43   (  -0.01, -75.19) (  -0.24, -74.05)  129.62                80
 07/05/2019   18:45:44   (   0.01, -75.20) (  -0.89, -79.30)  466.97                80
 07/06/2019   18:29:29   (   0.00, -75.21) (   0.10, -74.72)   54.77                80
 07/09/2019   06:29:26   (   0.01, -75.22) (   0.06, -75.36)   16.05                80
 07/11/2019   18:32:11   (  -0.00, -75.26) (  -0.20, -76.03)   88.87                80
 07/12/2019   18:15:57   (  -0.00, -75.27) (   0.85, -71.47)  433.58                80
 07/14/2019   06:34:49   (  -0.01, -75.29) (   0.31, -76.67)  158.15                80
 07/15/2019   06:18:35   (  -0.00, -75.30) (  -0.74, -72.11)  364.60                80