Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.109245E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-05T21:05:19+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 58424
    NORAD ID 58424
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter CZ-4B DEB STARLINK-30908
    Time of Closest Approach 2026-09-07T02:26:37+0000
    Collision Probability (Pc) 1.109245E-6
    Conjunction Distance (km) 2.922 km
    Relative Speed (km/s) 10.046 km/s
    Conjunction Risk Parameters R (Radial): -2.572 | I (In-track): 1.037 | C (Cross-track): 0.917
    Collision Risk Index (CRI) 0.36
    X Position (km) 3751.64 3753.001
    Position Y (km) 3709.849 3710.204
    Position Z (km) -4386.172 -4388.733
    Velocity X (km/s) 4.377 -4.029
    Velocity Y (km/s) 2.375 6.209
    Velocity Z (km/s) 5.748 1.805

    Orbital Parameters 国际轨道数据源

    Parameter CZ-4B DEB STARLINK-30908
    Semimajor Axis (a) 6834.032 km 6861.195 km
    Eccentricity (e) 0.003234 0.000094
    Inclination (i) 98.0743° 43.0029°
    RAAN 34.9082° 119.5889°
    Perigee Argument 162.5443° 276.0167°
    Mean Anomaly (M) 197.6918° 84.0577°
    Apogee 477.999 km 483.706 km
    Perigee 433.791 km 482.410 km
    Orbit Epoch 2026-09-04T08:59:17+0000 2026-09-05T00:31:52+0000

    CZ-4B DEB & STARLINK-30908 Collision Probability (Pc) Trend

    CZ-4B DEB & STARLINK-30908 Collision Probability (Pc) TrendNot Available

    CZ-4B DEB & STARLINK-30908 Miss Distance (Miss Distance) Trend

    CZ-4B DEB & STARLINK-30908 Miss Distance (Miss Distance) TrendNot Available

    CZ-4B DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-30908Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    CZ-4B DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-30908Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with CZ-4B DEB

    No nearby objects data