Simultaneous Nadir Overpasses (SNOs) between FY3D and LANDSAT-8
TLE Epoch: 2023 12 11.  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)
 12/11/2023   04:17:07   (  73.63, 118.14) 12/11/2023   04:16:46  (  73.60, 118.12)    2.64                21
 12/13/2023   18:53:19   (  73.68,-101.00) 12/13/2023   18:54:21  (  73.70,-101.08)    3.28                62
 12/13/2023   19:44:02   ( -73.63,  66.44) 12/13/2023   19:43:50  ( -73.64,  66.42)    1.20                12
 12/13/2023   20:34:34   (  72.88,-124.54) 12/13/2023   20:33:29  (  72.92,-127.41)   93.93                65
 12/16/2023   10:20:16   ( -73.74,-152.82) 12/16/2023   10:21:26  ( -73.72,-152.80)    1.32                70
 12/16/2023   11:11:01   (  73.64,  14.73) 12/16/2023   11:10:53  (  73.64,  14.65)    2.40                 8
 12/16/2023   12:01:37   ( -73.23,-177.02) 12/16/2023   12:00:27  ( -73.31,-178.40)   44.96                70
 12/19/2023   01:47:16   (  73.80, 155.33) 12/19/2023   01:48:28  (  73.76, 155.51)    7.41                72
 12/19/2023   02:37:58   ( -73.69, -37.09) 12/19/2023   02:37:57  ( -73.70, -36.99)    3.17                 1
 12/19/2023   03:28:39   (  73.40, 130.91) 12/19/2023   03:27:27  (  73.45, 130.13)   25.50                72
 12/21/2023   17:14:18   ( -74.10, 102.90) 12/21/2023   17:15:28  ( -74.01, 104.30)   43.92                70
 12/21/2023   18:04:56   (  73.67, -88.73) 12/21/2023   18:05:00  (  73.66, -88.83)    3.40                 4
 12/21/2023   18:55:39   ( -73.60,  78.75) 12/21/2023   18:54:29  ( -73.60,  78.68)    2.08                70
 12/24/2023   08:41:18   (  74.23,  50.86) 12/24/2023   08:42:26  (  74.16,  52.89)   62.03                68
 12/24/2023   09:31:52   ( -73.72,-140.54) 12/24/2023   09:32:03  ( -73.69,-140.53)    2.89                11