Simultaneous Nadir Overpasses (SNOs) between FY3D and LANDSAT-8
TLE Epoch: 2022 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)
 10/04/2022   01:54:17   (  72.57, 150.40) 10/04/2022   01:55:27  (  72.47, 151.40)   35.21                70
 10/04/2022   02:44:55   ( -72.21, -41.56) 10/04/2022   02:45:00  ( -72.19, -41.48)    3.46                 5
 10/04/2022   03:35:39   (  72.10, 125.96) 10/04/2022   03:34:27  (  72.10, 126.00)    1.33                72
 10/06/2022   17:21:17   ( -72.56,  98.69) 10/06/2022   17:22:28  ( -72.49,  99.67)   33.52                71
 10/06/2022   18:11:56   (  72.20, -93.27) 10/06/2022   18:11:59  (  72.18, -93.25)    1.82                 3
 10/06/2022   19:02:39   ( -72.09,  74.25) 10/06/2022   19:01:28  ( -72.12,  74.27)    3.32                71
 10/09/2022   08:48:18   (  72.50,  47.08) 10/09/2022   08:49:29  (  72.40,  47.76)   25.33                71
 10/09/2022   09:38:57   ( -72.19,-144.98) 10/09/2022   09:39:01  ( -72.18,-145.00)    1.32                 4
 10/09/2022   10:29:41   (  72.08,  22.54) 10/09/2022   10:28:28  (  72.08,  22.46)    2.65                73
 10/12/2022   00:15:19   ( -72.50,  -4.64) 10/12/2022   00:16:31  ( -72.38,  -4.03)   24.48                72
 10/12/2022   01:05:59   (  72.19, 163.29) 10/12/2022   01:06:00  (  72.17, 163.24)    2.43                 1
 10/12/2022   01:56:42   ( -72.08, -29.19) 10/12/2022   01:55:29  ( -72.12, -29.23)    4.12                73
 10/14/2022   15:42:19   (  72.40, -56.17) 10/14/2022   15:43:30  (  72.35, -55.83)   12.58                71
 10/14/2022   16:33:00   ( -72.19, 111.55) 10/14/2022   16:33:01  ( -72.19, 111.51)    1.64                 1