Simultaneous Nadir Overpasses (SNOs) between FY3D and LANDSAT-8
TLE Epoch: 2022 9 7.  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)
 09/07/2022   15:23:53   (  72.39, -51.89) 09/07/2022   15:25:04  (  72.32, -51.28)   22.01                71
 09/07/2022   16:14:32   ( -72.08, 116.02) 09/07/2022   16:14:36  ( -72.09, 115.94)    2.91                 4
 09/07/2022   17:05:16   (  71.96, -76.44) 09/07/2022   17:04:03  (  72.00, -76.57)    6.07                73
 09/10/2022   06:50:57   ( -72.48,-103.82) 09/10/2022   06:52:08  ( -72.38,-102.93)   31.91                71
 09/10/2022   07:41:36   (  72.12,  64.21) 09/10/2022   07:41:38  (  72.13,  64.26)    2.16                 2
 09/10/2022   08:32:19   ( -72.01,-128.27) 09/10/2022   08:31:08  ( -72.02,-128.31)    1.61                71
 09/12/2022   22:17:59   (  72.48,-155.56) 09/12/2022   22:19:10  (  72.36,-154.74)   30.91                71
 09/12/2022   23:08:37   ( -72.12,  12.48) 09/12/2022   23:08:42  ( -72.14,  12.50)    2.60                 5
 09/12/2022   23:59:22   (  72.06, 179.90) 09/12/2022   23:58:09  (  72.04, 179.98)    3.22                73
 09/15/2022   13:45:03   ( -72.58, 152.51) 09/15/2022   13:46:13  ( -72.46, 153.69)   41.64                70
 09/15/2022   14:35:40   (  72.13, -39.27) 09/15/2022   14:35:44  (  72.15, -39.23)    3.24                 4
 09/15/2022   15:26:24   ( -72.06, 128.17) 09/15/2022   15:25:14  ( -72.04, 128.21)    2.32                70
 09/18/2022   05:12:05   (  72.55, 100.83) 09/18/2022   05:13:15  (  72.46, 101.93)   38.09                70
 09/18/2022   06:02:42   ( -72.13, -91.00) 09/18/2022   06:02:49  ( -72.14, -91.01)    1.89                 7
 09/18/2022   06:53:26   (  72.03,  76.50) 09/18/2022   06:52:16  (  72.04,  76.45)    2.18                70
 09/20/2022   20:39:09   ( -72.66,  48.89) 09/20/2022   20:40:18  ( -72.55,  50.33)   49.42                69
 09/20/2022   21:29:45   (  72.16,-142.79) 09/20/2022   21:29:51  (  72.13,-142.80)    3.05                 6
 09/20/2022   22:20:29   ( -72.08,  24.66) 09/20/2022   22:19:20  ( -72.08,  24.75)    3.21                69