Simultaneous Nadir Overpasses (SNOs) between FY3D and LANDSAT-8
TLE Epoch: 2025 10 6.  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)
 10/09/2025   03:51:02   ( -76.35, -48.59) 10/09/2025   03:51:16  ( -76.35, -48.44)    4.02                14
 10/09/2025   04:41:45   (  76.26, 119.07) 10/09/2025   04:40:43  (  76.28, 118.99)    3.28                62
 10/11/2025   19:17:04   (  76.76,-101.61) 10/11/2025   19:18:11  (  76.69, -99.04)   66.17                67
 10/11/2025   20:07:39   ( -76.35,  67.35) 10/11/2025   20:07:46  ( -76.33,  67.38)    2.40                 7
 10/11/2025   20:58:23   (  76.31,-125.18) 10/11/2025   20:57:12  (  76.31,-125.04)    3.60                71
 10/14/2025   11:33:34   (  76.47,  15.50) 10/14/2025   11:34:46  (  76.40,  15.86)   12.07                72
 10/14/2025   12:24:16   ( -76.36,-176.75) 10/14/2025   12:24:15  ( -76.33,-176.73)    2.70                 1
 10/14/2025   13:14:55   (  76.09,  -8.47) 10/14/2025   13:13:44  (  76.16,  -9.63)   31.99                71
 10/17/2025   03:50:08   (  76.40, 131.69) 10/17/2025   03:51:14  (  76.37, 131.65)    3.16                66
 10/17/2025   04:40:51   ( -76.33, -60.72) 10/17/2025   04:40:42  ( -76.35, -60.78)    3.38                 9
 10/17/2025   05:31:23   (  75.75, 108.66) 10/17/2025   05:30:19  (  75.79, 105.10)   97.22                64
 10/19/2025   20:06:44   (  76.38,-112.32) 10/19/2025   20:07:41  (  76.41,-112.33)    3.19                57
 10/19/2025   20:57:28   ( -76.35,  55.11) 10/19/2025   20:57:10  ( -76.35,  55.08)    0.90                18