Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2025 5 12.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 05/13/2025   11:11:21   (   0.07,  61.68) (  -0.91,  57.47)  481.01                80
 05/14/2025   10:55:12   (   0.06,  61.70) (   0.15,  62.03)   37.79                80
 05/16/2025   22:55:23   (  -0.07,  61.77) (  -0.01,  61.40)   41.57                80
 05/17/2025   22:39:14   (  -0.06,  61.80) (  -1.02,  65.98)  477.00                80
 05/19/2025   10:58:23   (   0.08,  61.82) (  -0.19,  60.75)  123.15                80
 05/20/2025   10:42:14   (   0.07,  61.85) (   0.88,  65.31)  395.19                80
 05/21/2025   23:01:14   (  -0.10,  61.91) (   0.32,  60.12)  203.50                80
 05/22/2025   22:45:04   (  -0.09,  61.93) (  -0.69,  64.70)  314.73                80
 05/24/2025   11:04:15   (   0.11,  61.96) (  -0.44,  59.46)  285.85                80
 05/25/2025   10:48:05   (   0.11,  62.00) (   0.58,  64.03)  231.75                80