Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2025 1 31.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 01/31/2025   22:29:02   (   0.03,  61.66) (  -0.79,  65.22)  407.14                80
 02/02/2025   10:50:56   (  -0.04,  61.81) (  -0.47,  59.98)  209.10                80
 02/03/2025   10:34:51   (  -0.03,  61.83) (   0.59,  64.52)  307.82                80
 02/04/2025   22:56:24   (   0.04,  61.73) (   0.58,  59.30)  277.15                66
 02/05/2025   22:35:12   (   0.04,  61.76) (  -0.43,  63.85)  239.29                80
 02/07/2025   10:59:46   (  -0.05,  61.92) (  -0.81,  58.61)  378.03                80
 02/08/2025   10:41:01   (  -0.05,  61.95) (   0.21,  63.16)  138.22                80
 02/09/2025   23:00:07   (   0.06,  61.86) (   0.96,  57.94)  447.50                80
 02/10/2025   22:44:02   (   0.06,  61.89) (  -0.07,  62.49)   68.75                80
 02/13/2025   10:47:11   (  -0.07,  62.08) (  -0.12,  61.79)   32.22                80