Simultaneous Nadir Overpasses (SNOs) between FY3D and LANDSAT-8
TLE Epoch: 2025 11 8.  Predictions up to the next  14.0 days:

     Date     Time(FY3D) FY3D Lat/Lon Date Time(LANDSAT-8) LANDSAT-8 Lat/Lon    Distance(km)  Time Diff(sec)
 11/10/2025   05:28:53   ( -76.86, -74.16) 11/10/2025   05:30:01  ( -76.75, -71.82)   60.87                68
 11/10/2025   06:19:28   (  76.43,  94.89) 11/10/2025   06:19:33  (  76.45,  94.79)    3.07                 5
 11/10/2025   07:10:12   ( -76.41, -97.72) 11/10/2025   07:09:01  ( -76.42, -97.67)    1.31                71
 11/12/2025   21:45:21   ( -76.57,  42.96) 11/12/2025   21:46:33  ( -76.53,  43.30)   10.29                72
 11/12/2025   22:36:03   (  76.45,-149.23) 11/12/2025   22:36:00  (  76.46,-149.28)    2.04                 3
 11/12/2025   23:26:42   ( -76.20,  19.00) 11/12/2025   23:25:31  ( -76.29,  17.79)   33.28                71
 11/15/2025   14:01:54   ( -76.51, 159.15) 11/15/2025   14:03:00  ( -76.51, 159.14)    0.50                66
 11/15/2025   14:52:38   (  76.47, -33.38) 11/15/2025   14:52:26  (  76.49, -33.30)    3.02                12
 11/15/2025   15:43:09   ( -75.87, 136.14) 11/15/2025   15:42:05  ( -75.93, 132.56)   97.26                64
 11/18/2025   06:18:27   ( -76.49, -84.86) 11/18/2025   06:19:25  ( -76.51, -84.97)    3.32                58
 11/18/2025   07:09:11   (  76.45,  82.61) 11/18/2025   07:08:51  (  76.48,  82.59)    3.50                20
 11/20/2025   22:35:02   ( -76.53,  30.92) 11/20/2025   22:35:50  ( -76.53,  30.99)    1.86                48
 11/20/2025   23:25:46   (  76.49,-161.60) 11/20/2025   23:25:16  (  76.50,-161.47)    3.67                30