Simultaneous Nadir Overpasses (SNOs) between FY3D and LANDSAT-8
TLE Epoch: 2025 9 26.  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   ( -76.33,-152.17) 09/28/2025   10:45:19  ( -76.31,-152.06)    3.34                47
 09/28/2025   11:35:16   (  76.27,  15.38) 09/28/2025   11:34:46  (  76.25,  15.38)    1.88                30
 10/01/2025   03:01:10   ( -76.32, -36.22) 10/01/2025   03:01:47  ( -76.30, -36.21)    2.18                37
 10/01/2025   03:51:54   (  76.27, 131.31) 10/01/2025   03:51:13  (  76.28, 131.37)    2.70                41
 10/03/2025   19:17:48   ( -76.32,  79.69) 10/03/2025   19:18:14  ( -76.30,  79.69)    2.26                26
 10/03/2025   20:08:32   (  76.27,-112.81) 10/03/2025   20:07:40  (  76.28,-112.74)    1.97                52
 10/06/2025   11:34:25   ( -76.34,-164.45) 10/06/2025   11:34:39  ( -76.32,-164.37)    2.86                14
 10/06/2025   12:25:09   (  76.29,   3.04) 10/06/2025   12:24:05  (  76.29,   3.19)    3.96                64
 10/09/2025   03:00:23   (  76.56, 143.29) 10/09/2025   03:01:34  (  76.47, 144.37)   29.97                71
 10/09/2025   03:51:02   ( -76.32, -48.45) 10/09/2025   03:51:05  ( -76.30, -48.54)    3.16                 3