Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2025 6 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)
 06/16/2025   23:11:38   (  -0.26,  61.34) (   0.46,  58.23)  354.50                80
 06/17/2025   22:55:29   (  -0.25,  61.33) (  -0.58,  62.80)  167.52                80
 06/19/2025   11:14:38   (   0.28,  61.28) (  -0.55,  57.56)  423.49                80
 06/20/2025   10:58:27   (   0.27,  61.28) (   0.44,  62.15)   98.38                80
 06/21/2025   23:17:28   (  -0.29,  61.32) (   0.69,  56.94)  498.66                80
 06/22/2025   23:01:18   (  -0.29,  61.32) (  -0.36,  61.51)   22.54                80
 06/25/2025   11:01:37   (   0.31,  61.29) (   0.24,  60.85)   49.39                80
 06/26/2025   10:45:27   (   0.30,  61.29) (   1.23,  65.43)  471.65                80
 06/27/2025   23:04:27   (  -0.33,  61.34) (  -0.10,  60.23)  126.09                80
 06/28/2025   22:48:16   (  -0.32,  61.35) (  -1.09,  64.81)  394.81                80
 06/30/2025   11:07:25   (   0.34,  61.31) (  -0.05,  59.58)  197.79                80