Simultaneous Nadir Overpasses (SNOs) between FY3D and LANDSAT-8
TLE Epoch: 2023 6 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)
 06/03/2023   20:37:52   ( -73.08,  51.33) 06/03/2023   20:38:48  ( -73.07,  51.41)    2.90                56
 06/03/2023   21:28:36   (  72.97,-141.12) 06/03/2023   21:28:15  (  72.99,-141.11)    1.87                21
 06/06/2023   12:05:03   (  73.07,  -0.40) 06/06/2023   12:05:52  (  73.06,  -0.37)    1.28                49
 06/06/2023   12:55:47   ( -73.00, 167.06) 06/06/2023   12:55:21  ( -73.00, 167.14)    2.59                26
 06/09/2023   03:32:13   ( -73.05, -52.12) 06/09/2023   03:32:58  ( -73.06, -52.15)    1.18                45
 06/09/2023   04:22:58   (  73.00, 115.31) 06/09/2023   04:22:25  (  72.96, 115.31)    3.59                33
 06/11/2023   18:59:23   (  73.06,-103.88) 06/11/2023   19:00:00  (  73.05,-103.92)    1.39                37
 06/11/2023   19:50:07   ( -72.98,  63.59) 06/11/2023   19:49:29  ( -72.99,  63.60)    0.98                38
 06/14/2023   10:26:33   ( -73.05,-155.62) 06/14/2023   10:27:05  ( -73.06,-155.67)    1.97                32
 06/14/2023   11:17:18   (  72.99,  11.81) 06/14/2023   11:16:31  (  73.01,  11.89)    3.52                47