Simultaneous Nadir Overpasses (SNOs) between FY3D and LANDSAT-8
TLE Epoch: 2023 4 13.  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)
 04/14/2023   16:43:57   (  72.85, -70.39) 04/14/2023   16:44:14  (  72.85, -70.46)    2.18                17
 04/14/2023   17:34:40   ( -72.79,  97.06) 04/14/2023   17:33:43  ( -72.78,  97.05)    1.00                57
 04/17/2023   07:20:31   (  73.44,  69.24) 04/17/2023   07:21:39  (  73.37,  71.17)   61.77                68
 04/17/2023   08:11:04   ( -72.87,-122.18) 04/17/2023   08:11:16  ( -72.88,-122.17)    0.89                12
 04/17/2023   09:01:49   (  72.77,  45.36) 04/17/2023   09:00:43  (  72.79,  45.30)    3.29                66
 04/19/2023   22:47:36   ( -73.31,  17.79) 04/19/2023   22:48:46  ( -73.19,  19.03)   41.87                70
 04/19/2023   23:38:14   (  72.86,-173.91) 04/19/2023   23:38:17  (  72.88,-173.93)    2.45                 3
 04/20/2023   00:28:57   ( -72.79,  -6.44) 04/20/2023   00:27:47  ( -72.77,  -6.52)    3.45                70
 04/22/2023   14:14:40   (  73.01, -33.30) 04/22/2023   14:15:51  (  72.97, -33.16)    6.62                71
 04/22/2023   15:05:22   ( -72.89, 134.29) 04/22/2023   15:05:21  ( -72.86, 134.26)    3.03                 1
 04/22/2023   15:56:02   (  72.54, -57.67) 04/22/2023   15:54:51  (  72.60, -58.59)   31.50                71
 04/25/2023   05:41:46   ( -72.94, -84.89) 04/25/2023   05:42:55  ( -72.95, -84.97)    2.84                69
 04/25/2023   06:32:32   (  72.90,  82.50) 04/25/2023   06:32:21  (  72.91,  82.58)    2.76                11