Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2025 12 1.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 12/02/2025   23:28:03   (   0.51,  61.45) (   0.92,  59.55)  215.70                80
 12/03/2025   23:06:32   (   0.46,  61.44) (  -0.17,  64.12)  306.67                80
 12/05/2025   11:30:53   (  -0.55,  61.53) (  -1.13,  58.95)  294.27                80
 12/06/2025   11:09:21   (  -0.51,  61.52) (  -0.03,  63.52)  228.49                80
 12/07/2025   23:33:36   (   0.59,  61.40) (   1.29,  58.37)  346.42                80
 12/08/2025   23:12:04   (   0.54,  61.40) (   0.19,  62.94)  175.66                80
 12/10/2025   11:36:26   (  -0.62,  61.50) (  -1.48,  57.76)  426.49                80
 12/11/2025   11:14:54   (  -0.58,  61.49) (  -0.38,  62.33)   96.34                80
 12/12/2025   23:39:08   (   0.65,  61.36) (   1.62,  57.18)  477.63                80
 12/13/2025   23:17:37   (   0.61,  61.36) (   0.52,  61.75)   44.59                80