Simultaneous Nadir Overpasses (SNOs) between FY3D and LANDSAT-8
TLE Epoch: 2022 10 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)
 10/27/2022   20:57:34   ( -73.15,  43.63) 10/27/2022   20:58:39  ( -73.04,  46.63)   97.73                65
 10/27/2022   21:48:03   (  72.25,-147.18) 10/27/2022   21:48:19  (  72.26,-147.20)    2.16                16
 10/27/2022   22:38:46   ( -72.18,  20.27) 10/27/2022   22:37:48  ( -72.20,  20.32)    2.73                58
 10/30/2022   12:24:36   (  73.16,  -8.14) 10/30/2022   12:25:41  (  73.05,  -5.11)   98.61                65
 10/30/2022   13:15:03   ( -72.29, 161.02) 10/30/2022   13:15:23  ( -72.29, 161.09)    2.33                20
 10/30/2022   14:05:48   (  72.19, -31.48) 10/30/2022   14:04:50  (  72.20, -31.43)    1.94                58
 11/02/2022   04:42:03   (  72.26, 109.35) 11/02/2022   04:42:24  (  72.28, 109.31)    2.87                21
 11/02/2022   05:32:46   ( -72.19, -83.20) 11/02/2022   05:31:53  ( -72.22, -83.17)    3.03                53
 11/04/2022   20:09:02   ( -72.27,  57.62) 11/04/2022   20:09:28  ( -72.29,  57.55)    3.26                26
 11/04/2022   20:59:48   (  72.22,-134.98) 11/04/2022   20:58:55  (  72.19,-134.98)    3.03                53
 11/07/2022   11:36:04   (  72.29,   5.84) 11/07/2022   11:36:29  (  72.29,   5.81)    1.02                25
 11/07/2022   12:26:47   ( -72.23, 173.28) 11/07/2022   12:25:58  ( -72.24, 173.34)    2.15                49