Simultaneous Nadir Overpasses (SNOs) between FY3D and LANDSAT-8
TLE Epoch: 2025 9 25.  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)
 09/28/2025   10:44:32   ( -76.31,-152.10) 09/28/2025   10:45:20  ( -76.29,-152.15)    3.25                48
 09/28/2025   11:35:16   (  76.25,  15.45) 09/28/2025   11:34:46  (  76.27,  15.44)    2.10                30
 10/01/2025   03:01:09   ( -76.31, -36.16) 10/01/2025   03:01:46  ( -76.32, -36.15)    1.83                37
 10/01/2025   03:51:53   (  76.25, 131.36) 10/01/2025   03:51:13  (  76.25, 131.27)    2.42                40
 10/03/2025   19:17:47   ( -76.31,  79.74) 10/03/2025   19:18:13  ( -76.32,  79.75)    1.39                26
 10/03/2025   20:08:31   (  76.26,-112.76) 10/03/2025   20:07:40  (  76.25,-112.84)    2.44                51
 10/06/2025   11:34:25   ( -76.33,-164.40) 10/06/2025   11:34:39  ( -76.34,-164.31)    2.62                14
 10/06/2025   12:25:09   (  76.28,   3.08) 10/06/2025   12:24:06  (  76.26,   3.09)    2.22                63
 10/09/2025   03:00:24   (  76.60, 143.15) 10/09/2025   03:01:34  (  76.48, 144.43)   35.61                70
 10/09/2025   03:51:02   ( -76.31, -48.42) 10/09/2025   03:51:05  ( -76.32, -48.48)    1.81                 3