Simultaneous Nadir Overpasses (SNOs) between FY3D and LANDSAT-8
TLE Epoch: 2022 10 2.  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)
 10/04/2022   01:54:17   (  72.59, 150.37) 10/04/2022   01:55:27  (  72.46, 151.37)   36.30                70
 10/04/2022   02:44:54   ( -72.17, -41.49) 10/04/2022   02:45:00  ( -72.18, -41.50)    1.22                 6
 10/04/2022   03:35:39   (  72.11, 125.94) 10/04/2022   03:34:27  (  72.09, 125.98)    3.13                72
 10/06/2022   17:21:18   ( -72.57,  98.67) 10/06/2022   17:22:29  ( -72.49,  99.66)   34.49                71
 10/06/2022   18:11:56   (  72.16, -93.19) 10/06/2022   18:12:00  (  72.18, -93.25)    3.03                 4
 10/06/2022   19:02:40   ( -72.10,  74.23) 10/06/2022   19:01:29  ( -72.12,  74.27)    2.18                71
 10/09/2022   08:48:18   (  72.51,  47.06) 10/09/2022   08:49:29  (  72.41,  47.78)   26.72                71
 10/09/2022   09:38:57   ( -72.20,-145.01) 10/09/2022   09:39:01  ( -72.19,-144.99)    1.36                 4
 10/09/2022   10:29:41   (  72.09,  22.52) 10/09/2022   10:28:28  (  72.09,  22.48)    1.26                73
 10/12/2022   00:15:19   ( -72.51,  -4.67) 10/12/2022   00:16:31  ( -72.41,  -3.98)   25.60                72
 10/12/2022   01:05:59   (  72.20, 163.27) 10/12/2022   01:06:00  (  72.20, 163.28)    0.51                 1
 10/12/2022   01:56:42   ( -72.09, -29.21) 10/12/2022   01:55:30  ( -72.09, -29.28)    2.33                72
 10/14/2022   15:42:19   (  72.41, -56.19) 10/14/2022   15:43:31  (  72.35, -55.84)   13.81                72
 10/14/2022   16:33:00   ( -72.20, 111.53) 10/14/2022   16:33:02  ( -72.18, 111.50)    2.46                 2
 10/14/2022   17:23:42   (  71.99, -80.74) 10/14/2022   17:22:30  (  72.02, -81.14)   14.20                72