Simultaneous Nadir Overpasses (SNOs) between FY3D and LANDSAT-8
TLE Epoch: 2022 9 25.  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)
 09/26/2022   03:33:12   ( -72.63, -54.53) 09/26/2022   03:34:22  ( -72.51, -53.28)   43.92                70
 09/26/2022   04:23:49   (  72.17, 113.70) 09/26/2022   04:23:54  (  72.15, 113.72)    2.56                 5
 09/26/2022   05:14:32   ( -72.06, -78.76) 09/26/2022   05:13:23  ( -72.08, -78.76)    2.87                69
 09/28/2022   19:00:13   (  72.56,-106.12) 09/28/2022   19:01:24  (  72.45,-105.13)   35.21                71
 09/28/2022   19:50:51   ( -72.19,  61.94) 09/28/2022   19:50:57  ( -72.18,  62.00)    2.73                 6
 09/28/2022   20:41:35   (  72.09,-130.55) 09/28/2022   20:40:24  (  72.08,-130.52)    1.35                71
 10/01/2022   10:27:16   ( -72.63,-157.99) 10/01/2022   10:28:26  ( -72.52,-156.76)   42.72                70
 10/01/2022   11:17:53   (  72.18,  10.24) 10/01/2022   11:17:58  (  72.16,  10.22)    2.23                 5
 10/01/2022   12:08:37   ( -72.11, 177.68) 10/01/2022   12:07:27  ( -72.10, 177.75)    2.83                70
 10/04/2022   01:54:16   (  72.57, 150.40) 10/04/2022   01:55:27  (  72.43, 151.33)   34.74                71
 10/04/2022   02:44:53   ( -72.15, -41.44) 10/04/2022   02:45:00  ( -72.16, -41.53)    3.23                 7
 10/04/2022   03:35:38   (  72.10, 125.96) 10/04/2022   03:34:26  (  72.11, 126.03)    2.75                72
 10/06/2022   17:21:18   ( -72.60,  98.61) 10/06/2022   17:22:29  ( -72.48,  99.65)   37.42                71
 10/06/2022   18:11:56   (  72.20, -93.27) 10/06/2022   18:11:59  (  72.22, -93.18)    3.69                 3
 10/06/2022   19:02:39   ( -72.08,  74.27) 10/06/2022   19:01:29  ( -72.11,  74.26)    3.26                70
 10/09/2022   08:48:19   (  72.55,  46.98) 10/09/2022   08:49:30  (  72.41,  47.78)   31.00                71
 10/09/2022   09:38:57   ( -72.18,-144.97) 10/09/2022   09:39:02  ( -72.20,-144.97)    2.13                 5
 10/09/2022   10:29:41   (  72.08,  22.54) 10/09/2022   10:28:29  (  72.10,  22.49)    2.53                72