Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2025 4 25.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 04/25/2025   22:53:21   (   0.03,  61.44) (  -0.10,  62.02)   65.97                80
 04/28/2025   10:56:23   (  -0.02,  61.48) (  -0.02,  61.34)   14.79                80
 04/30/2025   22:56:35   (   0.00,  61.51) (   0.18,  60.72)   90.16                80
 05/01/2025   22:40:27   (   0.01,  61.52) (  -0.87,  65.28)  429.10                80
 05/03/2025   10:59:36   (   0.01,  61.55) (  -0.35,  60.05)  171.64                80
 05/04/2025   10:43:27   (  -0.00,  61.57) (   0.70,  64.62)  347.50                80
 05/05/2025   23:02:28   (  -0.02,  61.59) (   0.48,  59.42)  247.66                80
 05/06/2025   22:46:18   (  -0.01,  61.61) (  -0.52,  64.00)  271.83                80
 05/08/2025   11:05:29   (   0.03,  61.63) (  -0.62,  58.76)  328.30                80
 05/09/2025   10:49:19   (   0.02,  61.65) (   0.38,  63.33)  190.78                80