Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.535224E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-03T05:37:13+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 52602
    NORAD ID 52602
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter CZ-4 DEB STARLINK-4012
    Time of Closest Approach 2026-09-03T16:17:11+0000
    Collision Probability (Pc) 1.535224E-6
    Conjunction Distance (km) 2.69 km
    Relative Speed (km/s) 14.501 km/s
    Conjunction Risk Parameters R (Radial): 2.61 | I (In-track): 0.194 | C (Cross-track): -0.623
    Collision Risk Index (CRI) 0.39
    X Position (km) -5574.482 -5572.375
    Position Y (km) 1441.164 1441.213
    Position Z (km) -3701.92 -3700.249
    Velocity X (km/s) 4.266 -4.161
    Velocity Y (km/s) 0.171 -4.541
    Velocity Z (km/s) -6.316 4.504

    Orbital Parameters 国际轨道数据源

    Parameter CZ-4 DEB STARLINK-4012
    Semimajor Axis (a) 6830.836 km 6837.889 km
    Eccentricity (e) 0.003662 0.000153
    Inclination (i) 97.8211° 53.1610°
    RAAN 348.5244° 201.2877°
    Perigee Argument 330.2112° 82.6396°
    Mean Anomaly (M) 29.7046° 277.4781°
    Apogee 477.715 km 460.797 km
    Perigee 427.683 km 458.707 km
    Orbit Epoch 2026-09-01T18:04:26+0000 2026-09-02T04:32:23+0000

    CZ-4 DEB & STARLINK-4012 Collision Probability (Pc) Trend

    CZ-4 DEB & STARLINK-4012 Collision Probability (Pc) TrendNot Available

    CZ-4 DEB & STARLINK-4012 Miss Distance (Miss Distance) Trend

    CZ-4 DEB & STARLINK-4012 Miss Distance (Miss Distance) TrendNot Available

    CZ-4 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-4012Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    CZ-4 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-4012Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with CZ-4 DEB

    No nearby objects data