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

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 10/16/2020   06:26:05   (   0.01, -75.18) (  -0.43, -73.23)  222.72                80
 10/17/2020   18:45:03   (  -0.01, -75.19) (  -0.75, -78.45)  371.98                80
 10/18/2020   18:28:47   (  -0.01, -75.19) (   0.28, -73.87)  150.31                80
 10/20/2020   06:50:16   (   0.01, -75.18) (   0.85, -79.06)  442.09                80
 10/21/2020   06:28:39   (   0.01, -75.18) (  -0.18, -74.48)   80.27                80
 10/23/2020   18:34:01   (  -0.00, -75.20) (   0.03, -75.13)    9.03                80
 10/26/2020   06:36:33   (   0.00, -75.21) (   0.13, -75.72)   58.97                80
 10/27/2020   06:14:57   (   0.00, -75.22) (  -0.90, -71.14)  464.53                80
 10/28/2020   18:36:35   (  -0.00, -75.25) (  -0.27, -76.37)  127.73                80
 10/29/2020   18:20:18   (  -0.00, -75.27) (   0.77, -71.79)  396.34                80