Simultaneous Nadir Overpasses (SNOs) between FY3D and LANDSAT-8
TLE Epoch: 2023 12 12.  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)
 12/13/2023   18:53:20   (  73.72,-101.10) 12/13/2023   18:54:21  (  73.71,-101.06)    1.97                61
 12/13/2023   19:44:02   ( -73.62,  66.46) 12/13/2023   19:43:50  ( -73.64,  66.43)    2.49                12
 12/13/2023   20:34:34   (  72.87,-124.53) 12/13/2023   20:33:29  (  72.93,-127.40)   94.08                65
 12/16/2023   10:20:16   ( -73.73,-152.80) 12/16/2023   10:21:26  ( -73.73,-152.79)    0.25                70
 12/16/2023   11:11:01   (  73.63,  14.74) 12/16/2023   11:10:53  (  73.64,  14.66)    2.90                 8
 12/16/2023   12:01:38   ( -73.28,-177.12) 12/16/2023   12:00:27  ( -73.32,-178.38)   40.78                71
 12/19/2023   01:47:16   (  73.79, 155.34) 12/19/2023   01:48:28  (  73.76, 155.52)    6.47                72
 12/19/2023   02:37:58   ( -73.68, -37.07) 12/19/2023   02:37:57  ( -73.70, -36.98)    3.45                 1
 12/19/2023   03:28:39   (  73.39, 130.92) 12/19/2023   03:27:27  (  73.45, 130.14)   25.99                72
 12/21/2023   17:14:18   ( -74.09, 102.91) 12/21/2023   17:15:28  ( -74.01, 104.31)   43.49                70
 12/21/2023   18:04:55   (  73.66, -88.71) 12/21/2023   18:04:59  (  73.66, -88.83)    3.57                 4
 12/21/2023   18:55:38   ( -73.60,  78.76) 12/21/2023   18:54:28  ( -73.60,  78.68)    2.54                70
 12/24/2023   08:41:18   (  74.22,  50.87) 12/24/2023   08:42:26  (  74.16,  52.89)   61.55                68
 12/24/2023   09:31:52   ( -73.71,-140.53) 12/24/2023   09:32:03  ( -73.69,-140.53)    2.29                11