Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2025 9 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)
 09/30/2025   22:23:36   (   0.05,-104.68) (  -0.44,-106.89)  251.39                80
 10/01/2025   22:07:26   (   0.05,-104.68) (   0.61,-102.31)  270.24                80
 10/03/2025   10:29:03   (  -0.04,-104.70) (   0.56,-107.49)  317.71                80
 10/04/2025   10:07:31   (  -0.05,-104.70) (  -0.43,-102.91)  203.72                80
 10/05/2025   22:31:58   (   0.04,-104.67) (  -0.77,-108.12)  393.99                80
 10/06/2025   22:13:07   (   0.05,-104.67) (   0.29,-103.55)  127.90                80
 10/08/2025   10:34:45   (  -0.03,-104.70) (   0.87,-108.73)  459.29                80
 10/09/2025   10:13:13   (  -0.04,-104.70) (  -0.14,-104.15)   62.09                80
 10/11/2025   22:18:48   (   0.03,-104.65) (  -0.01,-104.78)   14.97                80
 10/14/2025   10:21:34   (  -0.02,-104.68) (   0.13,-105.38)   80.77                80