Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2023 12 5.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 12/05/2023   19:18:53   (   0.01, -75.20) (  -0.10, -75.75)   62.50                80
 12/06/2023   19:03:06   (   0.01, -75.21) (   0.88, -71.28)  447.62                80
 12/08/2023   07:25:20   (  -0.01, -75.21) (   0.33, -76.62)  161.90                80
 12/09/2023   07:04:14   (  -0.01, -75.21) (  -0.72, -72.16)  348.36                80
 12/10/2023   19:26:36   (   0.01, -75.21) (  -0.54, -77.53)  264.83                80
 12/11/2023   19:10:49   (   0.00, -75.22) (   0.50, -73.07)  245.67                80
 12/13/2023   07:33:03   (   0.00, -75.22) (   0.74, -78.40)  363.08                80
 12/14/2023   07:11:56   (   0.00, -75.22) (  -0.31, -73.94)  147.29                80
 12/15/2023   19:34:18   (  -0.00, -75.23) (  -0.94, -79.31)  465.98                80
 12/16/2023   19:18:31   (  -0.01, -75.23) (   0.06, -74.83)   44.85                80