Simultaneous Nadir Overpasses (SNOs) between FY3D and LANDSAT-8
TLE Epoch: 2023 1 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)
 02/02/2023   10:52:23   ( -72.62,-162.91) 02/02/2023   10:52:52  ( -72.63,-162.81)    3.50                29
 02/02/2023   11:43:07   (  72.50,   4.64) 02/02/2023   11:42:20  (  72.48,   4.56)    3.19                47
 02/05/2023   01:29:09   ( -73.42, -23.75) 02/05/2023   01:30:15  ( -73.30, -20.89)   91.98                66
 02/05/2023   02:19:39   (  72.61, 145.33) 02/05/2023   02:19:54  (  72.57, 145.33)    3.54                15
 02/05/2023   03:10:23   ( -72.53, -47.21) 02/05/2023   03:09:23  ( -72.51, -47.15)    3.11                60
 02/07/2023   16:56:13   (  72.87, -74.32) 02/07/2023   16:57:25  (  72.75, -73.74)   23.19                72
 02/07/2023   17:46:53   ( -72.60,  93.57) 02/07/2023   17:46:56  ( -72.59,  93.58)    1.24                 3
 02/07/2023   18:37:36   (  72.43, -98.79) 02/07/2023   18:36:23  (  72.49, -98.95)    8.31                73
 02/10/2023   08:23:24   ( -72.67,-125.67) 02/10/2023   08:24:30  ( -72.64,-125.71)    3.34                66
 02/10/2023   09:14:09   (  72.61,  41.77) 02/10/2023   09:13:56  (  72.59,  41.85)    3.03                13
 02/10/2023   10:04:43   ( -72.03,-149.76) 02/10/2023   10:03:34  ( -72.06,-151.50)   59.55                69
 02/12/2023   23:50:39   (  72.64,-177.39) 02/12/2023   23:51:30  (  72.63,-177.48)    3.25                51
 02/13/2023   00:41:23   ( -72.57,  -9.93) 02/13/2023   00:40:59  ( -72.57,  -9.96)    1.22                24