Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2020 3 22.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 03/23/2020   06:47:49   (   0.03, -75.15) (   0.93, -79.08)  448.07                80
 03/24/2020   06:26:14   (   0.03, -75.15) (  -0.11, -74.50)   73.23                80
 03/26/2020   18:28:57   (  -0.03, -75.16) (  -0.04, -75.15)    1.51                80
 03/29/2020   06:34:13   (   0.02, -75.15) (   0.13, -75.78)   72.17                80
 03/30/2020   06:12:36   (   0.02, -75.15) (  -0.85, -71.20)  449.64                80
 03/31/2020   18:34:15   (  -0.01, -75.16) (  -0.28, -76.44)  144.92                80
 04/01/2020   18:17:59   (  -0.02, -75.16) (   0.71, -71.85)  377.19                80
 04/03/2020   06:39:30   (   0.01, -75.16) (   0.43, -77.05)  216.06                80
 04/04/2020   06:17:55   (   0.02, -75.16) (  -0.61, -72.48)  306.24                80