Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2025 10 11.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 10/13/2025   11:31:21   (   0.11,  61.43) (  -0.85,  57.26)  476.65                80
 10/14/2025   11:09:52   (   0.16,  61.44) (   0.27,  61.82)   43.68                80
 10/16/2025   23:15:17   (  -0.13,  61.41) (  -0.06,  61.23)   21.08                80
 10/17/2025   22:53:47   (  -0.18,  61.42) (  -1.19,  65.79)  498.36                80
 10/19/2025   11:18:12   (   0.09,  61.49) (  -0.09,  60.60)  101.15                80
 10/20/2025   10:56:41   (   0.14,  61.49) (   0.99,  65.17)  419.20                80
 10/21/2025   23:20:56   (  -0.05,  61.45) (   0.29,  60.01)  164.51                80
 10/22/2025   22:59:26   (  -0.10,  61.47) (  -0.79,  64.58)  354.43                80
 10/24/2025   11:23:50   (   0.00,  61.56) (  -0.47,  59.39)  247.28                80
 10/25/2025   11:02:20   (   0.05,  61.57) (   0.61,  63.95)  272.27                80