Simultaneous Nadir Overpasses (SNOs) between FY3D and LANDSAT-8
TLE Epoch: 2023 9 4.  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)
 09/04/2023   07:46:15   (  73.31,  65.06) 09/04/2023   07:46:48  (  73.33,  65.05)    1.59                33
 09/04/2023   08:36:58   ( -73.23,-127.44) 09/04/2023   08:36:17  ( -73.25,-127.47)    2.68                41
 09/06/2023   23:13:20   ( -73.31,  13.33) 09/06/2023   23:13:50  ( -73.34,  13.32)    3.03                30
 09/07/2023   00:04:05   (  73.23,-179.18) 09/07/2023   00:03:17  (  73.25,-179.21)    2.63                48
 09/09/2023   14:40:27   (  73.33, -38.44) 09/09/2023   14:40:50  (  73.31, -38.48)    2.14                23
 09/09/2023   15:31:10   ( -73.23, 129.09) 09/09/2023   15:30:19  ( -73.24, 129.02)    2.61                51
 09/12/2023   06:07:32   ( -73.33, -90.18) 09/12/2023   06:07:51  ( -73.33, -90.19)    0.47                19
 09/12/2023   06:58:17   (  73.26,  77.28) 09/12/2023   06:57:18  (  73.24,  77.27)    2.49                59
 09/14/2023   20:44:06   ( -74.02,  49.11) 09/14/2023   20:45:13  ( -73.92,  51.69)   79.91                67
 09/14/2023   21:34:37   (  73.33,-141.90) 09/14/2023   21:34:48  (  73.36,-141.88)    3.47                11
 09/14/2023   22:25:21   ( -73.27,  25.54) 09/14/2023   22:24:18  ( -73.24,  25.52)    3.10                63
 09/17/2023   12:11:05   (  73.74,  -1.92) 09/17/2023   12:12:15  (  73.66,  -0.63)   41.57                70
 09/17/2023   13:01:42   ( -73.33, 166.36) 09/17/2023   13:01:49  ( -73.33, 166.32)    1.02                 7