Simultaneous Nadir Overpasses (SNOs) between FY3D and LANDSAT-8
TLE Epoch: 2025 6 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)
 06/10/2025   19:35:04   (  76.35,-107.78) 06/10/2025   19:36:10  (  76.27,-105.03)   73.01                66
 06/10/2025   20:25:37   ( -75.84,  61.39) 06/10/2025   20:25:46  ( -75.85,  61.31)    2.75                 9
 06/10/2025   21:16:21   (  75.79,-131.12) 06/10/2025   21:15:13  (  75.79,-131.24)    3.38                68
 06/13/2025   11:51:36   (  75.99,   9.44) 06/13/2025   11:52:48  (  75.91,   9.72)   12.06                72
 06/13/2025   12:42:18   ( -75.88, 177.16) 06/13/2025   12:42:16  ( -75.89, 177.29)    3.93                 2
 06/13/2025   13:32:57   (  75.61, -14.60) 06/13/2025   13:31:46  (  75.67, -15.71)   31.49                71
 06/16/2025   04:08:15   (  75.91, 125.65) 06/16/2025   04:09:19  (  75.93, 125.65)    2.49                64
 06/16/2025   04:58:59   ( -75.88, -66.94) 06/16/2025   04:58:48  ( -75.86, -66.91)    1.84                11
 06/18/2025   20:24:56   (  75.91,-118.47) 06/18/2025   20:25:50  (  75.93,-118.46)    2.25                54
 06/18/2025   21:15:40   ( -75.88,  48.96) 06/18/2025   21:15:19  ( -75.87,  48.98)    1.36                21
 06/21/2025   12:41:37   (  75.92,  -2.60) 06/21/2025   12:42:21  (  75.92,  -2.62)    0.51                44
 06/21/2025   13:32:21   ( -75.88, 164.84) 06/21/2025   13:31:50  ( -75.86, 164.83)    2.72                31