Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2020 4 9.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 04/09/2020   06:23:12   (  -0.01, -75.20) (  -0.31, -73.74)  165.67                80
 04/10/2020   18:44:51   (   0.01, -75.24) (  -0.82, -78.98)  426.50                80
 04/11/2020   18:28:36   (   0.02, -75.25) (   0.23, -74.41)   96.98                80
 04/13/2020   06:50:06   (  -0.02, -75.27) (   0.97, -79.60)  494.03                80
 04/14/2020   06:28:31   (  -0.02, -75.28) (  -0.08, -75.02)   29.59                80
 04/16/2020   18:31:14   (   0.02, -75.35) (  -0.05, -75.68)   37.27                80
 04/17/2020   18:14:58   (   0.02, -75.38) (   1.00, -71.11)  487.36                80
 04/19/2020   06:36:28   (  -0.01, -75.41) (   0.20, -76.30)  101.64                80
 04/20/2020   06:14:53   (  -0.01, -75.43) (  -0.85, -71.72)  423.16                80
 04/21/2020   18:36:31   (   0.01, -75.49) (  -0.32, -76.95)  166.56                80
 04/22/2020   18:20:16   (   0.01, -75.52) (   0.73, -72.38)  358.75                80