Simultaneous Nadir Overpasses (SNOs) between FY3D and LANDSAT-8
TLE Epoch: 2023 9 27.  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)
 09/28/2023   01:59:32   (  74.14, 150.17) 09/28/2023   02:00:37  (  74.09, 153.20)   92.66                65
 09/28/2023   02:50:02   ( -73.39, -40.70) 09/28/2023   02:50:18  ( -73.39, -40.68)    0.67                16
 09/28/2023   03:40:47   (  73.33, 126.74) 09/28/2023   03:39:45  (  73.31, 126.79)    3.02                62
 09/30/2023   17:26:35   ( -74.14,  98.42) 09/30/2023   17:27:41  ( -74.04, 101.34)   89.53                66
 09/30/2023   18:17:06   (  73.41, -92.47) 09/30/2023   18:17:19  (  73.39, -92.45)    2.43                13
 09/30/2023   19:07:50   ( -73.34,  74.99) 09/30/2023   19:06:48  ( -73.32,  75.05)    3.29                62
 10/03/2023   08:53:37   (  74.03,  46.98) 10/03/2023   08:54:44  (  73.95,  49.37)   74.08                67
 10/03/2023   09:44:10   ( -73.42,-144.24) 10/03/2023   09:44:22  ( -73.41,-144.15)    2.98                12
 10/03/2023   10:34:54   (  73.33,  23.30) 10/03/2023   10:33:49  (  73.32,  23.31)    0.45                65
 10/06/2023   00:20:40   ( -74.01,  -4.68) 10/06/2023   00:21:48  ( -73.89,  -2.52)   67.81                68
 10/06/2023   01:11:14   (  73.42, 164.04) 10/06/2023   01:11:22  (  73.43, 164.14)    3.21                 8
 10/06/2023   02:01:57   ( -73.30, -28.37) 10/06/2023   02:00:52  ( -73.32, -28.47)    3.25                65
 10/08/2023   15:47:41   (  73.88, -56.08) 10/08/2023   15:48:50  (  73.76, -54.54)   49.40                69
 10/08/2023   16:38:17   ( -73.41, 112.35) 10/08/2023   16:38:25  ( -73.39, 112.29)    2.89                 8