Simultaneous Nadir Overpasses (SNOs) between FY3D and LANDSAT-8
TLE Epoch: 2025 11 4.  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, -21.08) 11/07/2025   14:03:06  (  76.44, -21.10)    0.65                12
 11/07/2025   14:53:38   ( -76.42, 146.33) 11/07/2025   14:52:34  ( -76.42, 146.45)    3.16                64
 11/10/2025   05:28:54   ( -76.87, -74.18) 11/10/2025   05:30:02  ( -76.77, -71.75)   62.85                68
 11/10/2025   06:19:29   (  76.44,  94.86) 11/10/2025   06:19:34  (  76.46,  94.84)    2.22                 5
 11/10/2025   07:10:13   ( -76.42, -97.74) 11/10/2025   07:09:03  ( -76.39, -97.76)    3.27                70
 11/12/2025   21:45:22   ( -76.62,  42.79) 11/12/2025   21:46:34  ( -76.53,  43.32)   16.56                72
 11/12/2025   22:36:03   (  76.45,-149.23) 11/12/2025   22:36:01  (  76.46,-149.28)    1.75                 2
 11/12/2025   23:26:43   ( -76.25,  18.84) 11/12/2025   23:25:31  ( -76.34,  17.97)   25.28                72
 11/15/2025   14:01:54   ( -76.50, 159.19) 11/15/2025   14:03:02  ( -76.51, 159.14)    2.18                68
 11/15/2025   14:52:38   (  76.46, -33.35) 11/15/2025   14:52:28  (  76.49, -33.30)    3.08                10
 11/15/2025   15:43:11   ( -75.95, 135.86) 11/15/2025   15:42:05  ( -76.03, 132.87)   81.21                66
 11/18/2025   06:18:29   ( -76.52, -84.95) 11/18/2025   06:19:29  ( -76.52, -84.94)    0.58                60
 11/18/2025   07:09:13   (  76.48,  82.51) 11/18/2025   07:08:55  (  76.49,  82.60)    2.81                18