Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2020 10 17.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 10/18/2020   18:28:47   (  -0.01, -75.19) (   0.29, -73.87)  150.23                80
 10/20/2020   06:50:15   (   0.01, -75.18) (   0.90, -79.05)  442.02                80
 10/21/2020   06:28:39   (   0.01, -75.18) (  -0.13, -74.47)   80.28                80
 10/23/2020   18:34:01   (  -0.01, -75.19) (   0.04, -75.13)    8.98                80
 10/26/2020   06:36:33   (   0.00, -75.21) (   0.13, -75.72)   59.17                80
 10/27/2020   06:14:57   (   0.00, -75.22) (  -0.91, -71.14)  464.25                80
 10/28/2020   18:36:35   (  -0.00, -75.25) (  -0.26, -76.37)  128.29                80
 10/29/2020   18:20:19   (  -0.00, -75.26) (   0.77, -71.79)  395.72                80
 10/31/2020   06:41:48   (   0.00, -75.28) (   0.37, -76.98)  193.43                80