Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2025 4 16.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 04/17/2025   11:00:41   (  -0.05,  61.38) (  -0.52,  59.39)  227.17                80
 04/18/2025   10:44:33   (  -0.05,  61.39) (   0.50,  63.96)  292.11                80
 04/19/2025   23:03:35   (   0.04,  61.39) (   0.62,  58.75)  301.18                80
 04/20/2025   22:47:27   (   0.05,  61.41) (  -0.41,  63.31)  218.17                80
 04/22/2025   11:06:36   (  -0.03,  61.45) (  -0.80,  58.09)  383.77                80
 04/23/2025   10:50:28   (  -0.04,  61.47) (   0.24,  62.65)  135.25                80
 04/24/2025   23:09:28   (   0.03,  61.48) (   0.97,  57.46)  458.83                80
 04/25/2025   22:53:19   (   0.03,  61.50) (  -0.08,  62.03)   60.21                80
 04/28/2025   10:53:40   (  -0.02,  61.57) (  -0.05,  61.36)   23.72                80
 04/29/2025   10:37:31   (  -0.03,  61.59) (   0.95,  65.93)  494.52                80