Simultaneous Nadir Overpasses (SNOs) between FY3D and LANDSAT-8
TLE Epoch: 2023 11 7.  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)
 11/09/2023   09:12:07   (  74.31,  42.22) 11/09/2023   09:13:12  (  74.22,  45.34)   94.84                65
 11/09/2023   10:02:36   ( -73.55,-148.56) 11/09/2023   10:02:53  ( -73.52,-148.56)    2.88                17
 11/09/2023   10:53:21   (  73.47,  18.94) 11/09/2023   10:52:19  (  73.49,  19.01)    3.16                62
 11/12/2023   00:39:05   ( -74.32,  -9.50) 11/12/2023   00:40:10  ( -74.25,  -6.32)   96.15                65
 11/12/2023   01:29:36   (  73.56, 159.71) 11/12/2023   01:29:49  (  73.54, 159.73)    2.05                13
 11/12/2023   02:20:19   ( -73.48, -32.79) 11/12/2023   02:19:18  ( -73.47, -32.77)    1.10                61
 11/14/2023   16:06:03   (  74.20, -60.90) 11/14/2023   16:07:09  (  74.11, -58.39)   77.09                66
 11/14/2023   16:56:34   ( -73.54, 108.06) 11/14/2023   16:56:48  ( -73.52, 107.95)    3.66                14
 11/14/2023   17:47:19   (  73.45, -84.44) 11/14/2023   17:46:14  (  73.48, -84.49)    3.06                65
 11/17/2023   07:33:00   ( -74.15,-112.47) 11/17/2023   07:34:08  ( -74.03,-110.29)   67.65                68
 11/17/2023   08:23:35   (  73.58,  56.25) 11/17/2023   08:23:42  (  73.57,  56.34)    2.92                 7
 11/17/2023   09:14:18   ( -73.51,-136.26) 11/17/2023   09:13:11  ( -73.51,-136.16)    3.16                67
 11/19/2023   22:59:56   (  73.97,-163.71) 11/19/2023   23:01:06  (  73.82,-162.49)   40.94                70
 11/19/2023   23:50:32   ( -73.55,   4.62) 11/19/2023   23:50:39  ( -73.55,   4.56)    2.09                 7