Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2021 11 30.  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   06:54:07   (   0.00, -75.19) (   0.63, -78.01)  321.35                80
 12/01/2021   06:38:25   (   0.00, -75.19) (  -0.36, -73.56)  185.29                80
 12/02/2021   18:58:16   (  -0.00, -75.19) (  -0.85, -79.00)  433.80                80
 12/03/2021   18:42:33   (  -0.01, -75.19) (   0.14, -74.55)   72.98                80
 12/06/2021   06:46:32   (   0.01, -75.19) (   0.06, -75.50)   35.39                80
 12/07/2021   06:25:30   (   0.01, -75.19) (  -0.93, -71.05)  471.51                80
 12/08/2021   18:48:01   (  -0.01, -75.20) (  -0.28, -76.49)  146.85                80
 12/09/2021   18:32:19   (  -0.01, -75.20) (   0.72, -72.04)  360.73                80
 12/11/2021   06:54:40   (   0.00, -75.22) (   0.48, -77.44)  252.55                80
 12/12/2021   06:33:37   (   0.00, -75.23) (  -0.51, -72.99)  255.49                80
 12/13/2021   18:56:08   (  -0.00, -75.25) (  -0.74, -78.41)  361.29                80