Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2025 12 3.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 12/03/2025   23:06:31   (   0.46,  61.44) (  -0.13,  64.13)  306.86                80
 12/05/2025   11:30:52   (  -0.55,  61.53) (  -1.17,  58.96)  293.99                80
 12/06/2025   11:09:21   (  -0.51,  61.52) (  -0.07,  63.53)  228.91                80
 12/07/2025   23:33:36   (   0.59,  61.40) (   1.26,  58.36)  345.74                80
 12/08/2025   23:12:03   (   0.54,  61.39) (   0.22,  62.95)  176.48                80
 12/10/2025   11:36:26   (  -0.62,  61.49) (  -1.44,  57.76)  425.60                80
 12/11/2025   11:14:53   (  -0.58,  61.48) (  -0.40,  62.34)   97.39                80
 12/12/2025   23:39:08   (   0.65,  61.35) (   1.63,  57.19)  476.27                80
 12/13/2025   23:17:36   (   0.61,  61.35) (   0.52,  61.75)   46.08                80
 12/16/2025   11:23:05   (  -0.65,  61.46) (  -0.74,  61.16)   34.55                80
 12/17/2025   11:01:33   (  -0.62,  61.45) (   0.38,  65.73)  488.08                80