Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2025 3 18.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 03/18/2025   23:05:21   (   0.08,  61.24) (   0.94,  57.54)  422.45                80
 03/19/2025   22:49:15   (   0.09,  61.24) (  -0.11,  62.10)   97.39                80
 03/22/2025   10:49:39   (  -0.09,  61.32) (  -0.09,  61.42)   11.67                80
 03/24/2025   22:52:35   (   0.09,  61.28) (   0.23,  60.77)   58.02                80
 03/25/2025   22:36:29   (   0.10,  61.28) (  -0.85,  65.32)  461.36                80
 03/27/2025   10:58:19   (  -0.09,  61.36) (  -0.39,  60.09)  144.36                80
 03/28/2025   10:36:52   (  -0.10,  61.37) (   0.64,  64.66)  374.62                80
 03/29/2025   22:58:36   (   0.09,  61.33) (   0.49,  59.44)  215.06                80
 03/30/2025   22:42:28   (   0.09,  61.34) (  -0.48,  64.01)  303.89                80
 04/01/2025   11:04:19   (  -0.08,  61.42) (  -0.67,  58.76)  302.30                80