Simultaneous Nadir Overpasses (SNOs) between FY3D and LANDSAT-8
TLE Epoch: 2023 2 12.  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)
 02/12/2023   23:50:40   (  72.64,-177.39) 02/12/2023   23:51:27  (  72.66,-177.42)    3.29                47
 02/13/2023   00:41:24   ( -72.58,  -9.95) 02/13/2023   00:40:56  ( -72.59,  -9.92)    2.23                28
 02/15/2023   15:17:55   ( -72.66, 130.79) 02/15/2023   15:18:27  ( -72.67, 130.83)    1.80                32
 02/15/2023   16:08:40   (  72.58, -61.75) 02/15/2023   16:07:54  (  72.57, -61.70)    2.13                46
 02/18/2023   05:54:39   ( -73.45, -90.03) 02/18/2023   05:55:45  ( -73.32, -87.25)   89.46                66
 02/18/2023   06:45:09   (  72.62,  79.08) 02/18/2023   06:45:23  (  72.65,  79.06)    2.87                14
 02/18/2023   07:35:53   ( -72.57,-113.49) 02/18/2023   07:34:52  ( -72.58,-113.43)    2.78                61
 02/20/2023   21:21:41   (  72.78,-140.33) 02/20/2023   21:22:52  (  72.73,-140.17)    7.29                71
 02/20/2023   22:12:23   ( -72.62,  27.32) 02/20/2023   22:12:22  ( -72.61,  27.24)    2.68                 1
 02/20/2023   23:03:03   (  72.29,-164.71) 02/20/2023   23:01:52  (  72.35,-165.59)   30.81                71
 02/23/2023   12:48:54   ( -72.72, 168.00) 02/23/2023   12:49:50  ( -72.70, 168.02)    3.31                56
 02/23/2023   13:39:38   (  72.60, -24.43) 02/23/2023   13:39:17  (  72.60, -24.52)    3.07                21