Simultaneous Nadir Overpasses (SNOs) between FY3D and LANDSAT-8
TLE Epoch: 2025 10 9.  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   04:41:45   (  76.27, 119.04) 10/09/2025   04:40:43  (  76.27, 118.96)    2.27                62
 10/11/2025   19:17:04   (  76.77,-101.63) 10/11/2025   19:18:11  (  76.68, -99.06)   66.42                67
 10/11/2025   20:07:38   ( -76.31,  67.48) 10/11/2025   20:07:46  ( -76.32,  67.35)    3.57                 8
 10/11/2025   20:58:23   (  76.31,-125.20) 10/11/2025   20:57:12  (  76.31,-125.06)    3.77                71
 10/14/2025   11:33:34   (  76.47,  15.49) 10/14/2025   11:34:46  (  76.41,  15.87)   12.23                72
 10/14/2025   12:24:16   ( -76.36,-176.77) 10/14/2025   12:24:15  ( -76.33,-176.73)    2.87                 1
 10/14/2025   13:14:55   (  76.10,  -8.47) 10/14/2025   13:13:44  (  76.17,  -9.62)   31.61                71
 10/17/2025   03:50:09   (  76.39, 131.71) 10/17/2025   03:51:15  (  76.39, 131.71)    0.19                66
 10/17/2025   04:40:53   ( -76.37, -60.87) 10/17/2025   04:40:43  ( -76.37, -60.72)    3.98                10
 10/17/2025   05:31:24   (  75.75, 108.67) 10/17/2025   05:30:20  (  75.81, 105.16)   96.23                64
 10/19/2025   20:06:45   (  76.41,-112.44) 10/19/2025   20:07:42  (  76.40,-112.37)    2.26                57
 10/19/2025   20:57:28   ( -76.34,  55.16) 10/19/2025   20:57:11  ( -76.34,  55.05)    2.91                17
 10/22/2025   12:23:21   (  76.40,   3.55) 10/22/2025   12:24:10  (  76.39,   3.48)    1.85                49
 10/22/2025   13:14:05   ( -76.36, 171.00) 10/22/2025   13:13:38  ( -76.38, 171.06)    2.32                27