Simultaneous Nadir Overpasses (SNOs) between FY3D and LANDSAT-8
TLE Epoch: 2023 11 2.  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)
 11/04/2023   03:08:35   ( -73.51, -45.06) 11/04/2023   03:08:53  ( -73.53, -45.06)    1.29                18
 11/04/2023   03:59:20   (  73.44, 122.42) 11/04/2023   03:58:20  (  73.44, 122.41)    0.46                60
 11/06/2023   18:35:37   (  73.53, -96.82) 11/06/2023   18:35:53  (  73.53, -96.80)    1.01                16
 11/06/2023   19:26:20   ( -73.45,  70.69) 11/06/2023   19:25:22  ( -73.46,  70.70)    1.68                58
 11/09/2023   10:02:36   ( -73.56,-148.58) 11/09/2023   10:02:54  ( -73.53,-148.56)    3.28                18
 11/09/2023   10:53:21   (  73.48,  18.91) 11/09/2023   10:52:20  (  73.49,  19.00)    3.18                61
 11/12/2023   01:29:37   (  73.55, 159.73) 11/12/2023   01:29:52  (  73.57, 159.79)    3.33                15
 11/12/2023   02:20:20   ( -73.47, -32.76) 11/12/2023   02:19:22  ( -73.46, -32.81)    1.74                58
 11/14/2023   16:06:07   (  74.31, -61.19) 11/14/2023   16:07:12  (  74.25, -58.08)   93.99                65
 11/14/2023   16:56:36   ( -73.54, 108.04) 11/14/2023   16:56:53  ( -73.57, 108.03)    2.53                17
 11/14/2023   17:47:21   (  73.47, -84.47) 11/14/2023   17:46:20  (  73.47, -84.53)    1.92                61