Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2021 11 29.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 11/30/2021   06:56:47   (   0.01, -75.19) (   0.64, -78.01)  321.01                80
 12/01/2021   06:35:44   (   0.01, -75.19) (  -0.35, -73.56)  185.68                80
 12/02/2021   18:58:16   (  -0.01, -75.20) (  -0.86, -79.00)  433.33                80
 12/03/2021   18:42:33   (  -0.01, -75.20) (   0.13, -74.55)   73.50                80
 12/06/2021   06:46:32   (   0.01, -75.19) (   0.07, -75.50)   34.63                80
 12/07/2021   06:25:30   (   0.00, -75.19) (  -0.92, -71.05)  472.26                80
 12/08/2021   18:48:01   (  -0.00, -75.20) (  -0.28, -76.49)  146.05                80
 12/09/2021   18:32:18   (   0.00, -75.21) (   0.72, -72.04)  361.57                80
 12/11/2021   06:54:40   (  -0.01, -75.23) (   0.47, -77.44)  251.51                80
 12/12/2021   06:33:37   (  -0.01, -75.24) (  -0.52, -72.99)  256.59                80