Conjunction Event Detail

    Very Low Risk
    Very low collision probability. Continue monitoring.
    9.38463E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-05T09:45:32+0800
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    1 Object 1

    AOE ID 64393
    NORAD ID 64393
    Object Type PAYLOAD
    Country
    CN CN
    VS

    2 Object 2

    AOE ID 66691
    NORAD ID 66691
    Object Type UNKNOWN
    Country
    TBD TBD

    Conjunction Constraints

    Parameter ZHANGHENG 1-02 OBJECT AB
    Time of Closest Approach 2026-09-06T14:40:41+0000
    Collision Probability (Pc) 9.38463E-7
    Conjunction Distance (km) 2.779 km
    Relative Speed (km/s) 6.655 km/s
    Conjunction Risk Parameters R (Radial): -2.176 | I (In-track): 1.552 | C (Cross-track): 0.759
    Collision Risk Index (CRI) 0.34
    X Position (km) 204.38 206.007
    Position Y (km) 965.088 964.432
    Position Z (km) -6820.36 -6818.206
    Velocity X (km/s) 7.35 6.02
    Velocity Y (km/s) 1.847 -4.604
    Velocity Z (km/s) 0.476 -0.469

    Orbital Parameters 国际轨道数据源

    Parameter ZHANGHENG 1-02 OBJECT AB
    Semimajor Axis (a) 6881.980 km 6877.730 km
    Eccentricity (e) 0.000816 0.000605
    Inclination (i) 97.3686° 97.4136°
    RAAN 12.4640° 320.2036°
    Perigee Argument 170.4947° 84.6246°
    Mean Anomaly (M) 189.6444° 275.5680°
    Apogee 509.459 km 503.751 km
    Perigee 498.227 km 495.435 km
    Orbit Epoch 2026-09-04T10:56:31+0000 2026-09-04T15:45:19+0000

    ZHANGHENG 1-02 & OBJECT AB Collision Probability (Pc) Trend

    ZHANGHENG 1-02 & OBJECT AB Collision Probability (Pc) TrendNot Available

    ZHANGHENG 1-02 & OBJECT AB Miss Distance (Miss Distance) Trend

    ZHANGHENG 1-02 & OBJECT AB Miss Distance (Miss Distance) TrendNot Available

    ZHANGHENG 1-02Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    OBJECT ABMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    ZHANGHENG 1-02Collision Probability Trend

    Object 1 Probability TrendNot Available

    OBJECT ABCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with ZHANGHENG 1-02

    No nearby objects data