Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2025 7 9.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 07/10/2025   11:19:01   (   0.40,  61.26) (  -0.58,  57.03)  482.89                80
 07/11/2025   11:02:51   (   0.40,  61.27) (   0.48,  61.60)   37.92                80
 07/13/2025   23:05:41   (  -0.41,  61.33) (  -0.34,  60.98)   39.39                80
 07/14/2025   22:46:51   (  -0.40,  61.34) (  -1.34,  65.56)  480.92                80
 07/16/2025   11:05:58   (   0.42,  61.31) (   0.17,  60.33)  112.36                80
 07/17/2025   10:49:49   (   0.41,  61.32) (   1.23,  64.90)  408.02                80
 07/18/2025   23:11:28   (  -0.43,  61.38) (  -0.03,  59.71)  190.22                80
 07/19/2025   22:49:59   (  -0.42,  61.40) (  -1.10,  64.28)  329.16                80
 07/21/2025   11:11:46   (   0.44,  61.39) (  -0.07,  59.06)  266.20                80
 07/22/2025   10:55:35   (   0.44,  61.41) (   0.94,  63.63)  253.18                80