Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2025 10 12.  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   11:31:22   (   0.11,  61.43) (  -0.84,  57.26)  476.51                80
 10/14/2025   11:09:51   (   0.16,  61.44) (   0.23,  61.83)   43.83                80
 10/16/2025   23:15:17   (  -0.13,  61.41) (  -0.08,  61.23)   20.95                80
 10/17/2025   22:53:47   (  -0.18,  61.42) (  -1.15,  65.80)  498.38                80
 10/19/2025   11:18:11   (   0.09,  61.49) (  -0.13,  60.61)  101.00                80
 10/20/2025   10:56:41   (   0.14,  61.49) (   1.00,  65.16)  419.35                80
 10/21/2025   23:20:57   (  -0.05,  61.45) (   0.27,  60.01)  164.48                80
 10/22/2025   22:59:26   (  -0.10,  61.47) (  -0.81,  64.58)  354.45                80
 10/24/2025   11:23:49   (   0.00,  61.56) (  -0.51,  59.40)  247.15                80
 10/25/2025   11:02:19   (   0.05,  61.57) (   0.57,  63.96)  272.42                80