Simultaneous Nadir Overpasses (SNOs) between FY3D and LANDSAT-8
TLE Epoch: 2024 1 19.  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)
 01/19/2024   20:01:08   ( -73.84,  62.29) 01/19/2024   20:02:14  ( -73.87,  62.26)    3.10                66
 01/19/2024   20:51:53   (  73.78,-130.25) 01/19/2024   20:51:41  (  73.79,-130.28)    0.78                12
 01/19/2024   21:42:27   ( -73.25,  38.32) 01/19/2024   21:41:18  ( -73.30,  36.32)   64.31                69
 01/22/2024   11:28:03   (  73.89,  10.49) 01/22/2024   11:29:12  (  73.90,  10.57)    2.56                69
 01/22/2024   12:18:46   ( -73.79, 178.04) 01/22/2024   12:18:41  ( -73.83, 178.06)    3.69                 5
 01/22/2024   13:09:24   (  73.39, -13.69) 01/22/2024   13:08:14  (  73.43, -15.16)   46.69                70
 01/25/2024   02:55:00   ( -74.05, -41.59) 01/25/2024   02:56:12  ( -73.96, -41.05)   19.94                72
 01/25/2024   03:45:41   (  73.81, 126.32) 01/25/2024   03:45:40  (  73.82, 126.28)    1.31                 1
 01/25/2024   04:36:23   ( -73.66, -66.00) 01/25/2024   04:35:10  ( -73.70, -66.34)   11.54                73
 01/27/2024   18:21:57   (  74.19, -93.61) 01/27/2024   18:23:07  (  74.11, -92.43)   36.71                70
 01/27/2024   19:12:35   ( -73.83,  74.59) 01/27/2024   19:12:40  ( -73.84,  74.59)    0.84                 5
 01/27/2024   20:03:19   (  73.74,-117.88) 01/27/2024   20:02:07  (  73.75,-117.97)    3.00                72
 01/30/2024   09:48:55   ( -74.41,-145.87) 01/30/2024   09:50:03  ( -74.31,-143.72)   65.32                68
 01/30/2024   10:39:29   (  73.84,  22.91) 01/30/2024   10:39:37  (  73.86,  22.89)    2.67                 8
 01/30/2024   11:30:13   ( -73.77,-169.63) 01/30/2024   11:29:06  ( -73.80,-169.62)    2.49                67
 02/02/2024   01:15:50   (  74.52, 162.14) 02/02/2024   01:16:56  (  74.45, 164.87)   81.57                66
 02/02/2024   02:06:22   ( -73.87, -28.86) 02/02/2024   02:06:35  ( -73.87, -28.83)    0.83                13