Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    6.819944E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-05T10:41:19+0800
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    1 Object 1

    AOE ID 37474
    NORAD ID 37474
    Object Type DEBRIS
    Country
    CN CN
    VS

    2 Object 2

    AOE ID 68482
    NORAD ID 68482
    Object Type PAYLOAD
    Country
    DE DE

    Conjunction Constraints

    Parameter FENGYUN 1C DEB LEMUR-2 SEJONG-3
    Time of Closest Approach 2026-09-05T07:10:09+0000
    Collision Probability (Pc) 6.819944E-6
    Conjunction Distance (km) 1.339 km
    Relative Speed (km/s) 8.716 km/s
    Conjunction Risk Parameters R (Radial): 0.443 | I (In-track): 1.039 | C (Cross-track): -0.718
    Collision Risk Index (CRI) 0.52
    X Position (km) 358.84 357.572
    Position Y (km) 1206.174 1206.31
    Position Z (km) 6843.662 6843.254
    Velocity X (km/s) 5.377 6.828
    Velocity Y (km/s) -5.305 3.132
    Velocity Z (km/s) 0.734 -0.904

    Orbital Parameters 国际轨道数据源

    Parameter FENGYUN 1C DEB LEMUR-2 SEJONG-3
    Semimajor Axis (a) 7008.091 km 6965.614 km
    Eccentricity (e) 0.012297 0.000364
    Inclination (i) 99.1357° 97.7642°
    RAAN 131.7867° 204.9002°
    Perigee Argument 31.1506° 15.5763°
    Mean Anomaly (M) 329.6916° 344.5568°
    Apogee 716.133 km 590.014 km
    Perigee 543.775 km 584.940 km
    Orbit Epoch 2026-09-02T21:59:54+0000 2026-09-04T14:39:21+0000

    FENGYUN 1C DEB & LEMUR-2 SEJONG-3 Collision Probability (Pc) Trend

    FENGYUN 1C DEB & LEMUR-2 SEJONG-3 Collision Probability (Pc) TrendNot Available

    FENGYUN 1C DEB & LEMUR-2 SEJONG-3 Miss Distance (Miss Distance) Trend

    FENGYUN 1C DEB & LEMUR-2 SEJONG-3 Miss Distance (Miss Distance) TrendNot Available

    FENGYUN 1C DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    LEMUR-2 SEJONG-3Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    FENGYUN 1C DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    LEMUR-2 SEJONG-3Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with FENGYUN 1C DEB

    No nearby objects data