Simultaneous Nadir Overpasses (SNOs) between FY3D and LANDSAT-8
TLE Epoch: 2025 11 7.  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)
 11/07/2025   14:02:54   (  76.44, -21.05) 11/07/2025   14:03:06  (  76.44, -21.10)    1.62                12
 11/07/2025   14:53:38   ( -76.41, 146.34) 11/07/2025   14:52:34  ( -76.41, 146.44)    2.44                64
 11/10/2025   05:28:53   ( -76.87, -74.17) 11/10/2025   05:30:01  ( -76.75, -71.80)   61.52                68
 11/10/2025   06:19:28   (  76.44,  94.87) 11/10/2025   06:19:33  (  76.45,  94.80)    2.36                 5
 11/10/2025   07:10:12   ( -76.42, -97.73) 11/10/2025   07:09:01  ( -76.42, -97.65)    2.05                71
 11/12/2025   21:45:21   ( -76.57,  42.96) 11/12/2025   21:46:34  ( -76.50,  43.21)   10.36                73
 11/12/2025   22:36:03   (  76.45,-149.23) 11/12/2025   22:36:00  (  76.48,-149.22)    3.32                 3
 11/12/2025   23:26:43   ( -76.25,  18.84) 11/12/2025   23:25:31  ( -76.31,  17.85)   26.83                72
 11/15/2025   14:01:54   ( -76.50, 159.18) 11/15/2025   14:03:01  ( -76.50, 159.11)    1.82                67
 11/15/2025   14:52:38   (  76.46, -33.36) 11/15/2025   14:52:27  (  76.48, -33.33)    1.82                11
 11/15/2025   15:43:10   ( -75.91, 136.01) 11/15/2025   15:42:05  ( -75.97, 132.68)   90.11                65
 11/18/2025   06:18:29   ( -76.52, -84.98) 11/18/2025   06:19:27  ( -76.53, -84.91)    1.85                58
 11/18/2025   07:09:13   (  76.49,  82.49) 11/18/2025   07:08:54  (  76.45,  82.48)    3.57                19
 11/20/2025   22:35:02   ( -76.51,  31.00) 11/20/2025   22:35:52  ( -76.53,  30.99)    2.05                50
 11/20/2025   23:25:46   (  76.47,-161.52) 11/20/2025   23:25:18  (  76.50,-161.47)    3.42                28