Simultaneous Nadir Overpasses (SNOs) between FY3D and LANDSAT-8
TLE Epoch: 2024 12 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)
 12/19/2024   07:45:01   ( -75.64,-112.03) 12/19/2024   07:46:08  ( -75.59,-109.47)   70.93                67
 12/19/2024   08:35:36   (  75.11,  56.95) 12/19/2024   08:35:43  (  75.12,  56.86)    2.68                 7
 12/19/2024   09:26:19   ( -75.09,-135.65) 12/19/2024   09:25:11  ( -75.10,-135.56)    2.86                68
 12/22/2024   00:01:49   ( -75.20,   5.20) 12/22/2024   00:02:44  ( -75.17,   5.23)    3.50                55
 12/22/2024   00:52:34   (  75.14, 172.70) 12/22/2024   00:52:10  (  75.14, 172.80)    3.05                24
 12/24/2024   16:18:47   ( -75.19, 121.06) 12/24/2024   16:19:12  ( -75.15, 121.07)    3.86                25
 12/24/2024   17:09:32   (  75.13, -71.45) 12/24/2024   17:08:38  (  75.12, -71.37)    2.26                54
 12/27/2024   07:45:02   (  75.22,  69.46) 12/27/2024   07:46:10  (  75.21,  69.47)    1.51                68
 12/27/2024   08:35:44   ( -75.14,-122.98) 12/27/2024   08:35:39  ( -75.14,-123.07)    2.80                 5
 12/27/2024   09:26:20   (  74.66,  45.75) 12/27/2024   09:25:13  (  74.70,  43.44)   68.16                67
 12/30/2024   00:01:59   (  75.19,-174.63) 12/30/2024   00:02:36  (  75.20,-174.65)    1.44                37
 12/30/2024   00:52:42   ( -75.15,  -7.19) 12/30/2024   00:52:05  ( -75.14,  -7.19)    1.67                37
 01/01/2025   15:28:21   ( -75.69, 132.31) 01/01/2025   15:29:28  ( -75.59, 134.68)   66.36                67
 01/01/2025   16:18:55   (  75.18, -58.75) 01/01/2025   16:19:00  (  75.21, -58.75)    3.36                 5