Simultaneous Nadir Overpasses (SNOs) between FY3D and LANDSAT-8
TLE Epoch: 2023 10 3.  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)
 10/03/2023   08:53:38   (  74.06,  46.91) 10/03/2023   08:54:44  (  73.97,  49.43)   77.82                66
 10/03/2023   09:44:10   ( -73.41,-144.20) 10/03/2023   09:44:23  ( -73.38,-144.23)    3.32                13
 10/03/2023   10:34:54   (  73.30,  23.35) 10/03/2023   10:33:50  (  73.30,  23.25)    3.16                64
 10/06/2023   00:20:40   ( -73.99,  -4.64) 10/06/2023   00:21:48  ( -73.91,  -2.48)   67.22                68
 10/06/2023   01:11:14   (  73.40, 164.09) 10/06/2023   01:11:23  (  73.41, 164.08)    0.71                 9
 10/06/2023   02:01:58   ( -73.34, -28.45) 10/06/2023   02:00:52  ( -73.34, -28.43)    0.80                66
 10/08/2023   15:47:40   (  73.85, -56.02) 10/08/2023   15:48:50  (  73.74, -54.59)   46.21                70
 10/08/2023   16:38:16   ( -73.39, 112.39) 10/08/2023   16:38:24  ( -73.41, 112.34)    2.86                 8
 10/08/2023   17:29:01   (  73.34, -80.19) 10/08/2023   17:27:51  (  73.33, -80.20)    2.00                70
 10/11/2023   07:14:42   ( -73.80,-107.62) 10/11/2023   07:15:52  ( -73.72,-106.40)   39.08                70
 10/11/2023   08:05:20   (  73.41,  60.62) 10/11/2023   08:05:23  (  73.42,  60.60)    0.71                 3
 10/11/2023   08:56:04   ( -73.34,-131.91) 10/11/2023   08:54:52  ( -73.35,-131.90)    1.06                72
 10/13/2023   22:41:42   (  73.64,-158.95) 10/13/2023   22:42:53  (  73.58,-158.44)   17.25                71
 10/13/2023   23:32:23   ( -73.42,   8.88) 10/13/2023   23:32:24  ( -73.41,   8.84)    1.76                 1
 10/14/2023   00:23:04   (  73.18, 176.75) 10/14/2023   00:21:52  (  73.26, 176.18)   20.55                72
 10/16/2023   14:08:43   ( -73.56, 149.53) 10/16/2023   14:09:54  ( -73.54, 149.72)    6.58                71
 10/16/2023   14:59:26   (  73.42, -42.83) 10/16/2023   14:59:21  (  73.44, -42.84)    2.69                 5