Simultaneous Nadir Overpasses (SNOs) between FY3D and LANDSAT-8
TLE Epoch: 2023 5 31.  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)
 06/01/2023   05:10:42   (  73.08, 103.10) 06/01/2023   05:11:43  (  73.07, 103.18)    2.69                61
 06/01/2023   06:01:25   ( -72.96, -89.34) 06/01/2023   06:01:13  ( -72.95, -89.43)    3.09                12
 06/01/2023   06:51:57   (  72.24,  79.47) 06/01/2023   06:50:51  (  72.28,  76.95)   85.52                66
 06/03/2023   20:37:51   ( -73.05,  51.41) 06/03/2023   20:38:46  ( -73.03,  51.33)    3.43                55
 06/03/2023   21:28:36   (  72.99,-141.15) 06/03/2023   21:28:12  (  72.99,-141.10)    1.95                24
 06/06/2023   12:05:02   (  73.03,  -0.32) 06/06/2023   12:05:46  (  73.04,  -0.38)    2.53                44
 06/06/2023   12:55:46   ( -72.96, 167.15) 06/06/2023   12:55:15  ( -72.98, 167.12)    2.14                31
 06/09/2023   03:32:13   ( -73.06, -52.13) 06/09/2023   03:32:48  ( -73.07, -52.09)    1.75                35
 06/09/2023   04:22:57   (  72.95, 115.41) 06/09/2023   04:22:15  (  72.97, 115.37)    2.66                42
 06/11/2023   18:59:24   (  73.05,-103.88) 06/11/2023   18:59:48  (  73.04,-103.88)    1.52                24
 06/11/2023   19:50:08   ( -72.98,  63.59) 06/11/2023   19:49:17  ( -72.98,  63.63)    1.32                51