Simultaneous Nadir Overpasses (SNOs) between FY3D and LANDSAT-8
TLE Epoch: 2023 6 6.  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)
 06/06/2023   12:05:02   (  73.04,  -0.33) 06/06/2023   12:05:52  (  73.04,  -0.41)    2.62                50
 06/06/2023   12:55:46   ( -72.97, 167.12) 06/06/2023   12:55:21  ( -72.97, 167.09)    1.14                25
 06/09/2023   03:32:13   ( -73.08, -52.17) 06/09/2023   03:32:57  ( -73.08, -52.10)    2.15                44
 06/09/2023   04:22:57   (  72.97, 115.38) 06/09/2023   04:22:24  (  72.99, 115.37)    3.16                33
 06/11/2023   18:59:24   (  73.07,-103.92) 06/11/2023   19:00:00  (  73.08,-103.86)    2.02                36
 06/11/2023   19:50:07   ( -72.96,  63.65) 06/11/2023   19:49:30  ( -72.96,  63.54)    3.40                37
 06/14/2023   10:26:33   ( -73.07,-155.67) 06/14/2023   10:27:04  ( -73.08,-155.62)    1.98                31
 06/14/2023   11:17:17   (  72.96,  11.88) 06/14/2023   11:16:31  (  72.99,  11.84)    3.10                46
 06/17/2023   01:53:44   (  73.08, 152.55) 06/17/2023   01:54:06  (  73.09, 152.64)    2.95                22
 06/17/2023   02:44:27   ( -72.97, -39.88) 06/17/2023   02:43:36  ( -72.97, -39.95)    2.42                51
 06/19/2023   16:30:24   (  73.85, -68.32) 06/19/2023   16:31:29  (  73.79, -65.28)   94.41                65
 06/19/2023   17:20:53   ( -73.04, 100.89) 06/19/2023   17:21:11  ( -73.05, 100.81)    2.75                18
 06/19/2023   18:11:38   (  72.99, -91.68) 06/19/2023   18:10:37  (  73.01, -91.64)    2.96                61