Simultaneous Nadir Overpasses (SNOs) between FY3D and LANDSAT-8
TLE Epoch: 2025 11 11.  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)
 11/12/2025   21:45:21   ( -76.59,  42.89) 11/12/2025   21:46:33  ( -76.51,  43.24)   12.82                72
 11/12/2025   22:36:03   (  76.46,-149.29) 11/12/2025   22:36:00  (  76.44,-149.34)    2.43                 3
 11/12/2025   23:26:42   ( -76.22,  18.93) 11/12/2025   23:25:31  ( -76.27,  17.73)   32.31                71
 11/15/2025   14:01:54   ( -76.53, 159.07) 11/15/2025   14:02:59  ( -76.53, 159.21)    3.74                65
 11/15/2025   14:52:38   (  76.49, -33.45) 11/15/2025   14:52:26  (  76.46, -33.37)    3.16                12
 11/15/2025   15:43:09   ( -75.89, 136.06) 11/15/2025   15:42:05  ( -75.90, 132.48)   97.17                64
 11/18/2025   06:18:28   ( -76.52, -84.96) 11/18/2025   06:19:25  ( -76.52, -84.93)    1.02                57
 11/18/2025   07:09:12   (  76.48,  82.51) 11/18/2025   07:08:52  (  76.45,  82.48)    3.22                20
 11/20/2025   22:35:02   ( -76.52,  30.96) 11/20/2025   22:35:50  ( -76.53,  30.98)    0.60                48
 11/20/2025   23:25:46   (  76.48,-161.56) 11/20/2025   23:25:16  (  76.50,-161.47)    3.13                30
 11/23/2025   14:51:35   ( -76.54, 146.84) 11/23/2025   14:52:13  ( -76.54, 146.93)    2.47                38
 11/23/2025   15:42:19   (  76.49, -45.68) 11/23/2025   15:41:40  (  76.46, -45.68)    3.40                39