Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.035101E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-03T05:36:33+0800
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    1 Object 1

    AOE ID 35378
    NORAD ID 35378
    Object Type DEBRIS
    Country
    CN CN
    VS

    2 Object 2

    AOE ID 52473
    NORAD ID 52473
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter CZ-4 DEB STARLINK-3879
    Time of Closest Approach 2026-09-05T01:02:59+0000
    Collision Probability (Pc) 1.035101E-6
    Conjunction Distance (km) 2.58 km
    Relative Speed (km/s) 6.541 km/s
    Conjunction Risk Parameters R (Radial): -2.542 | I (In-track): 0.399 | C (Cross-track): -0.178
    Collision Risk Index (CRI) 0.35
    X Position (km) -5995.348 -5997.728
    Position Y (km) 1263.078 1263.717
    Position Z (km) -3051.877 -3052.638
    Velocity X (km/s) 3.545 1.415
    Velocity Y (km/s) 0.437 -5.519
    Velocity Z (km/s) -6.736 -5.073

    Orbital Parameters 国际轨道数据源

    Parameter CZ-4 DEB STARLINK-3879
    Semimajor Axis (a) 6830.836 km 6843.358 km
    Eccentricity (e) 0.003662 0.000107
    Inclination (i) 97.8211° 53.1621°
    RAAN 348.5244° 337.9250°
    Perigee Argument 330.2112° 59.8997°
    Mean Anomaly (M) 29.7046° 300.2111°
    Apogee 477.715 km 465.950 km
    Perigee 427.683 km 464.492 km
    Orbit Epoch 2026-09-01T18:04:26+0000 2026-09-02T12:41:08+0000

    CZ-4 DEB & STARLINK-3879 Collision Probability (Pc) Trend

    CZ-4 DEB & STARLINK-3879 Collision Probability (Pc) TrendNot Available

    CZ-4 DEB & STARLINK-3879 Miss Distance (Miss Distance) Trend

    CZ-4 DEB & STARLINK-3879 Miss Distance (Miss Distance) TrendNot Available

    CZ-4 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-3879Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    CZ-4 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-3879Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with CZ-4 DEB

    No nearby objects data