Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2022 12 6.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 12/06/2022   19:10:44   (   0.02, -75.19) (  -0.79, -78.76)  407.50                80
 12/07/2022   18:55:04   (   0.01, -75.19) (   0.18, -74.32)   98.30                80
 12/10/2022   06:59:12   (  -0.01, -75.19) (   0.01, -75.30)   12.24                80
 12/11/2022   06:40:53   (  -0.00, -75.19) (  -0.97, -70.85)  493.80                80
 12/12/2022   19:00:49   (   0.01, -75.19) (  -0.22, -76.31)  126.13                80
 12/13/2022   18:45:09   (   0.00, -75.20) (   0.76, -71.86)  380.42                80
 12/15/2022   07:07:36   (  -0.01, -75.21) (   0.45, -77.27)  234.34                80
 12/16/2022   06:46:36   (  -0.01, -75.22) (  -0.53, -72.83)  272.51                80
 12/17/2022   19:09:13   (   0.01, -75.24) (  -0.65, -78.28)  346.39                80
 12/18/2022   18:53:33   (   0.01, -75.25) (   0.34, -73.84)  160.90                80