Simultaneous Nadir Overpasses (SNOs) between FY3D and LANDSAT-8
TLE Epoch: 2023 2 8.  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)
 02/10/2023   08:23:25   ( -72.69,-125.71) 02/10/2023   08:24:28  ( -72.68,-125.65)    2.56                63
 02/10/2023   09:14:09   (  72.57,  41.85) 02/10/2023   09:13:55  (  72.58,  41.83)    2.01                14
 02/10/2023   10:04:42   ( -71.95,-149.61) 02/10/2023   10:03:34  ( -71.98,-151.63)   69.64                68
 02/12/2023   23:50:41   (  72.68,-177.49) 02/12/2023   23:51:27  (  72.67,-177.40)    3.06                46
 02/13/2023   00:41:24   ( -72.57,  -9.94) 02/13/2023   00:40:57  ( -72.56,  -9.99)    2.16                27
 02/15/2023   15:17:55   ( -72.64, 130.82) 02/15/2023   15:18:28  ( -72.67, 130.83)    3.07                33
 02/15/2023   16:08:40   (  72.57, -61.72) 02/15/2023   16:07:55  (  72.57, -61.71)    0.63                45
 02/18/2023   05:54:41   ( -73.47, -90.09) 02/18/2023   05:55:47  ( -73.38, -87.15)   93.64                66
 02/18/2023   06:45:11   (  72.65,  79.02) 02/18/2023   06:45:26  (  72.65,  79.05)    0.93                15
 02/18/2023   07:35:55   ( -72.59,-113.53) 02/18/2023   07:34:55  ( -72.59,-113.43)    3.35                60
 02/20/2023   21:21:43   (  72.84,-140.46) 02/20/2023   21:22:54  (  72.80,-140.05)   14.09                71
 02/20/2023   22:12:24   ( -72.62,  27.30) 02/20/2023   22:12:25  ( -72.63,  27.26)    1.57                 1