Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2020 10 23.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 10/23/2020   18:34:01   (  -0.01, -75.18) (  -0.02, -75.11)    7.61                80
 10/26/2020   06:36:33   (   0.00, -75.18) (   0.12, -75.72)   61.32                80
 10/27/2020   06:14:57   (   0.01, -75.19) (  -0.91, -71.14)  461.69                80
 10/28/2020   18:36:35   (  -0.00, -75.21) (  -0.26, -76.37)  131.76                80
 10/29/2020   18:20:19   (  -0.00, -75.22) (   0.77, -71.79)  391.83                80
 10/31/2020   06:41:48   (   0.00, -75.24) (   0.37, -76.98)  197.73                80
 11/01/2020   06:20:11   (   0.01, -75.25) (  -0.61, -72.38)  326.01                80
 11/02/2020   18:41:49   (  -0.00, -75.28) (  -0.55, -77.61)  266.82                80
 11/03/2020   18:25:32   (  -0.00, -75.29) (   0.48, -73.03)  257.17                80
 11/05/2020   06:47:02   (   0.00, -75.31) (   0.67, -78.22)  331.82                80