Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2020 11 24.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 11/24/2020   18:27:29   (  -0.01, -75.20) (   0.40, -73.40)  204.57                80
 11/26/2020   06:48:59   (   0.01, -75.21) (   0.76, -78.59)  384.83                80
 11/27/2020   06:27:22   (   0.01, -75.23) (  -0.29, -74.01)  139.35                80
 11/28/2020   18:49:00   (  -0.01, -75.26) (  -0.89, -79.23)  452.06                80
 11/29/2020   18:32:43   (  -0.01, -75.28) (   0.16, -74.65)   72.59                80
 12/02/2020   06:32:36   (   0.01, -75.33) (  -0.04, -75.26)    9.08                80
 12/04/2020   18:35:16   (   0.00, -75.38) (  -0.13, -75.89)   58.03                80
 12/05/2020   18:18:59   (   0.00, -75.41) (   0.92, -71.31)  466.91                80
 12/07/2020   06:40:29   (  -0.01, -75.44) (   0.25, -76.50)  120.73                80