Simultaneous Nadir Overpasses (SNOs) between FY3D and LANDSAT-8
TLE Epoch: 2022 10 25.  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)
 10/25/2022   05:30:31   (  72.95,  95.79) 10/25/2022   05:31:38  (  72.86,  98.05)   74.49                67
 10/25/2022   06:21:02   ( -72.27, -95.49) 10/25/2022   06:21:17  ( -72.26, -95.44)    1.73                15
 10/25/2022   07:11:47   (  72.17,  72.00) 10/25/2022   07:10:44  (  72.18,  72.05)    1.65                63
 10/27/2022   20:57:34   ( -73.13,  43.67) 10/27/2022   20:58:39  ( -73.06,  46.67)   97.44                65
 10/27/2022   21:48:03   (  72.28,-147.25) 10/27/2022   21:48:18  (  72.28,-147.16)    2.81                15
 10/27/2022   22:38:45   ( -72.16,  20.31) 10/27/2022   22:37:48  ( -72.16,  20.26)    1.71                57
 10/30/2022   12:24:35   (  73.15,  -8.11) 10/30/2022   12:25:40  (  73.07,  -5.08)   98.44                65
 10/30/2022   13:15:02   ( -72.28, 161.05) 10/30/2022   13:15:23  ( -72.26, 161.03)    1.86                21
 10/30/2022   14:05:47   (  72.18, -31.46) 10/30/2022   14:04:50  (  72.17, -31.50)    1.85                57
 11/02/2022   04:42:04   (  72.30, 109.27) 11/02/2022   04:42:24  (  72.30, 109.34)    2.31                20
 11/02/2022   05:32:46   ( -72.18, -83.18) 11/02/2022   05:31:54  ( -72.19, -83.23)    1.74                52
 11/04/2022   20:09:03   ( -72.31,  57.54) 11/04/2022   20:09:28  ( -72.31,  57.59)    1.74                25
 11/04/2022   20:59:48   (  72.21,-134.96) 11/04/2022   20:58:55  (  72.21,-134.94)    0.56                53
 11/07/2022   11:36:04   (  72.29,   5.85) 11/07/2022   11:36:29  (  72.31,   5.85)    2.76                25
 11/07/2022   12:26:47   ( -72.23, 173.29) 11/07/2022   12:25:59  ( -72.20, 173.28)    2.41                48