Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2020 10 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)
 10/23/2020   18:34:01   (  -0.01, -75.18) (   0.01, -75.12)    7.47                80
 10/26/2020   06:36:33   (   0.00, -75.19) (   0.15, -75.72)   60.66                80
 10/27/2020   06:14:56   (   0.00, -75.20) (  -0.88, -71.14)  462.60                80
 10/28/2020   18:36:36   (  -0.00, -75.22) (  -0.23, -76.37)  130.63                80
 10/29/2020   18:20:18   (  -0.00, -75.24) (   0.75, -71.78)  393.19                80
 10/31/2020   06:41:48   (   0.00, -75.25) (   0.40, -76.97)  196.10                80
 11/01/2020   06:20:11   (   0.00, -75.27) (  -0.64, -72.39)  327.79                80
 11/02/2020   18:41:49   (  -0.00, -75.30) (  -0.53, -77.62)  264.71                80
 11/03/2020   18:25:33   (  -0.00, -75.31) (   0.51, -73.04)  259.42                80