Simultaneous Nadir Overpasses (SNOs) between FY3D and LANDSAT-8
TLE Epoch: 2023 9 26.  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   (  74.15, 150.14) 09/28/2023   02:00:37  (  74.08, 153.18)   92.87                65
 09/28/2023   02:50:02   ( -73.40, -40.72) 09/28/2023   02:50:18  ( -73.38, -40.70)    1.53                16
 09/28/2023   03:40:46   (  73.29, 126.83) 09/28/2023   03:39:45  (  73.30, 126.78)    2.13                61
 09/30/2023   17:26:36   ( -74.15,  98.41) 09/30/2023   17:27:42  ( -74.04, 101.32)   89.88                66
 09/30/2023   18:17:06   (  73.36, -92.37) 09/30/2023   18:17:20  (  73.38, -92.46)    3.21                14
 09/30/2023   19:07:50   ( -73.30,  75.09) 09/30/2023   19:06:49  ( -73.31,  75.04)    2.15                61
 10/03/2023   08:53:37   (  74.04,  46.96) 10/03/2023   08:54:44  (  73.94,  49.37)   74.59                67
 10/03/2023   09:44:09   ( -73.38,-144.14) 10/03/2023   09:44:22  ( -73.41,-144.16)    3.41                13
 10/03/2023   10:34:54   (  73.33,  23.28) 10/03/2023   10:33:49  (  73.32,  23.30)    1.55                65
 10/06/2023   00:20:40   ( -74.01,  -4.70) 10/06/2023   00:21:48  ( -73.89,  -2.51)   68.45                68
 10/06/2023   01:11:13   (  73.38, 164.14) 10/06/2023   01:11:23  (  73.38, 164.03)    3.38                10
 10/06/2023   02:01:57   ( -73.31, -28.39) 10/06/2023   02:00:52  ( -73.32, -28.46)    2.63                65
 10/08/2023   15:47:41   (  73.88, -56.09) 10/08/2023   15:48:50  (  73.77, -54.52)   50.23                69
 10/08/2023   16:38:17   ( -73.41, 112.34) 10/08/2023   16:38:25  ( -73.40, 112.32)    1.76                 8