Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2025 4 25.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 04/25/2025   22:01:19   (   0.00,-104.38) (   0.00,-105.29)  101.83                 0
 04/26/2025   21:43:48   (   0.01,-104.38) (   0.86,-100.69)  421.50                80
 04/28/2025   10:05:28   (  -0.01,-104.37) (   0.35,-105.88)  172.42                80
 04/29/2025   09:44:00   (  -0.02,-104.37) (  -0.69,-101.31)  347.73                80
 04/30/2025   22:05:50   (   0.03,-104.37) (  -0.47,-106.55)  248.78                80
 05/01/2025   21:49:42   (   0.03,-104.37) (   0.58,-101.99)  271.79                80
 05/03/2025   10:11:22   (  -0.03,-104.37) (   0.61,-107.18)  321.28                80
 05/04/2025   09:49:53   (  -0.03,-104.36) (  -0.44,-102.62)  199.30                80
 05/05/2025   22:11:43   (   0.03,-104.37) (  -0.77,-107.85)  396.88                80
 05/06/2025   21:55:34   (   0.03,-104.37) (   0.29,-103.28)  124.45                80
 05/08/2025   10:17:15   (  -0.03,-104.38) (   0.89,-108.48)  466.91                80
 05/09/2025   09:55:45   (  -0.03,-104.38) (  -0.12,-103.90)   54.18                80