Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.137885E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-03T04:57:43+0800
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    1 Object 1

    AOE ID 43431
    NORAD ID 43431
    Object Type DEBRIS
    Country
    CN CN
    VS

    2 Object 2

    AOE ID 57638
    NORAD ID 57638
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter CZ-4B DEB STARLINK-30328
    Time of Closest Approach 2026-09-03T01:44:12+0000
    Collision Probability (Pc) 1.137885E-6
    Conjunction Distance (km) 2.849 km
    Relative Speed (km/s) 9.932 km/s
    Conjunction Risk Parameters R (Radial): -1.294 | I (In-track): -1.921 | C (Cross-track): 1.657
    Collision Risk Index (CRI) 0.36
    X Position (km) 5156.562 5154.006
    Position Y (km) -4108.316 -4109.523
    Position Z (km) 1896.987 1896.638
    Velocity X (km/s) 2.576 4.692
    Velocity Y (km/s) 5.394 3.681
    Velocity Z (km/s) 4.797 -4.755

    Orbital Parameters 国际轨道数据源

    Parameter CZ-4B DEB STARLINK-30328
    Semimajor Axis (a) 6931.888 km 6861.201 km
    Eccentricity (e) 0.011121 0.000145
    Inclination (i) 43.0789° 42.9977°
    RAAN 306.7995° 166.5989°
    Perigee Argument 353.1576° 273.4574°
    Mean Anomaly (M) 6.7747° 86.6112°
    Apogee 630.840 km 484.059 km
    Perigee 476.662 km 482.069 km
    Orbit Epoch 2026-09-02T11:17:25+0000 2026-09-01T19:14:27+0000

    CZ-4B DEB & STARLINK-30328 Collision Probability (Pc) Trend

    CZ-4B DEB & STARLINK-30328 Collision Probability (Pc) TrendNot Available

    CZ-4B DEB & STARLINK-30328 Miss Distance (Miss Distance) Trend

    CZ-4B DEB & STARLINK-30328 Miss Distance (Miss Distance) TrendNot Available

    CZ-4B DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-30328Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    CZ-4B DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-30328Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with CZ-4B DEB

    No nearby objects data