Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2025 6 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)
 06/09/2025   11:02:59   (   0.21,  61.35) (  -0.05,  60.13)  137.95                80
 06/10/2025   10:46:49   (   0.20,  61.34) (   0.99,  64.70)  384.06                80
 06/11/2025   23:05:49   (  -0.23,  61.37) (   0.20,  59.52)  212.18                80
 06/12/2025   22:49:39   (  -0.22,  61.37) (  -0.83,  64.09)  309.35                80
 06/14/2025   11:08:48   (   0.25,  61.33) (  -0.31,  58.85)  283.03                80
 06/15/2025   10:52:39   (   0.24,  61.33) (   0.73,  63.42)  238.48                80
 06/16/2025   23:11:38   (  -0.26,  61.37) (   0.46,  58.23)  358.15                80
 06/17/2025   22:55:29   (  -0.25,  61.37) (  -0.58,  62.80)  163.09                80
 06/19/2025   11:14:37   (   0.28,  61.34) (  -0.61,  57.58)  429.91                80
 06/20/2025   10:58:28   (   0.27,  61.34) (   0.43,  62.14)   91.17                80