Conjunction Event Detail

    High Risk
    High collision probability. Maneuver recommended for primary asset.
    1.211459E-4
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-12T14:59:58+0800
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    1 Object 1

    AOE ID 29538
    NORAD ID 29538
    Object Type DEBRIS
    Country
    CN CN
    VS

    2 Object 2

    AOE ID 68403
    NORAD ID 68403
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter CZ-4B DEB STARLINK-37218
    Time of Closest Approach 2026-09-13T17:30:40+0000
    Collision Probability (Pc) 1.211459E-4
    Conjunction Distance (km) 0.321 km
    Relative Speed (km/s) 0.597 km/s
    Conjunction Risk Parameters R (Radial): -0.263 | I (In-track): -0.182 | C (Cross-track): -0.012
    Collision Risk Index (CRI) 0.77
    X Position (km) -1498.498 -1498.574
    Position Y (km) -161.652 -161.768
    Position Z (km) -6683.812 -6683.523
    Velocity X (km/s) 5.151 5.562
    Velocity Y (km/s) 5.446 5.02
    Velocity Z (km/s) -1.305 -1.369

    Orbital Parameters 国际轨道数据源

    Parameter CZ-4B DEB STARLINK-37218
    Semimajor Axis (a) 6831.355 km 6843.658 km
    Eccentricity (e) 0.003096 0.000087
    Inclination (i) 98.0756° 97.2863°
    RAAN 42.9131° 38.4288°
    Perigee Argument 136.4910° 72.0098°
    Mean Anomaly (M) 223.8783° 288.1239°
    Apogee 474.366 km 466.113 km
    Perigee 432.070 km 464.929 km
    Orbit Epoch 2026-09-11T15:58:19+0000 2026-09-11T09:34:13+0000

    CZ-4B DEB & STARLINK-37218 Collision Probability (Pc) Trend

    CZ-4B DEB & STARLINK-37218 Collision Probability (Pc) TrendNot Available

    CZ-4B DEB & STARLINK-37218 Miss Distance (Miss Distance) Trend

    CZ-4B DEB & STARLINK-37218 Miss Distance (Miss Distance) TrendNot Available

    CZ-4B DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-37218Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    CZ-4B DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-37218Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with CZ-4B DEB

    No nearby objects data