Simultaneous Nadir Overpasses (SNOs) between FY3D and LANDSAT-8
TLE Epoch: 2022 9 30.  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)
 10/01/2022   10:27:15   ( -72.61,-157.94) 10/01/2022   10:28:26  ( -72.48,-156.84)   39.51                71
 10/01/2022   11:17:53   (  72.20,  10.19) 10/01/2022   11:17:57  (  72.18,  10.25)    3.02                 4
 10/01/2022   12:08:36   ( -72.09, 177.72) 10/01/2022   12:07:26  ( -72.11, 177.77)    3.39                70
 10/04/2022   01:54:16   (  72.54, 150.46) 10/04/2022   01:55:27  (  72.44, 151.34)   31.26                71
 10/04/2022   02:44:54   ( -72.17, -41.49) 10/04/2022   02:45:00  ( -72.17, -41.52)    1.32                 6
 10/04/2022   03:35:38   (  72.07, 126.03) 10/04/2022   03:34:27  (  72.07, 125.95)    2.68                71
 10/06/2022   17:21:18   ( -72.57,  98.68) 10/06/2022   17:22:29  ( -72.47,  99.64)   33.83                71
 10/06/2022   18:11:56   (  72.16, -93.19) 10/06/2022   18:12:00  (  72.16, -93.29)    3.23                 4
 10/06/2022   19:02:40   ( -72.10,  74.24) 10/06/2022   19:01:29  ( -72.10,  74.24)    0.38                71
 10/09/2022   08:48:19   (  72.51,  47.07) 10/09/2022   08:49:30  (  72.39,  47.74)   25.89                71
 10/09/2022   09:38:58   ( -72.19,-144.99) 10/09/2022   09:39:02  ( -72.17,-145.02)    2.37                 4
 10/09/2022   10:29:42   (  72.08,  22.53) 10/09/2022   10:28:29  (  72.07,  22.44)    3.33                73
 10/12/2022   00:15:19   ( -72.49,  -4.63) 10/12/2022   00:16:31  ( -72.39,  -4.02)   23.70                72
 10/12/2022   01:05:59   (  72.18, 163.30) 10/12/2022   01:06:00  (  72.18, 163.24)    2.01                 1