Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2025 5 8.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 05/09/2025   10:49:20   (   0.02,  61.61) (   0.41,  63.33)  195.22                80
 05/10/2025   23:08:20   (  -0.05,  61.64) (   0.75,  58.13)  400.56                80
 05/11/2025   22:52:11   (  -0.04,  61.65) (  -0.25,  62.70)  119.09                80
 05/13/2025   11:11:21   (   0.07,  61.67) (  -0.90,  57.46)  479.87                80
 05/14/2025   10:55:11   (   0.06,  61.69) (   0.11,  62.04)   39.25                80
 05/16/2025   22:55:22   (  -0.07,  61.75) (   0.03,  61.41)   39.38                80
 05/17/2025   22:39:14   (  -0.06,  61.77) (  -1.04,  65.97)  479.58                80
 05/19/2025   10:58:23   (   0.09,  61.80) (  -0.16,  60.74)  120.20                80
 05/20/2025   10:42:14   (   0.07,  61.82) (   0.86,  65.32)  398.38                80
 05/21/2025   23:01:14   (  -0.10,  61.87) (   0.29,  60.12)  199.79                80