Conjunction Event Detail

    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    7.639167E-5
    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 64703
    NORAD ID 64703
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter ZHANGHENG 1-02 STARLINK-34470
    Time of Closest Approach 2026-09-05T06:57:15+0000
    Collision Probability (Pc) 7.639167E-5
    Conjunction Distance (km) 0.726 km
    Relative Speed (km/s) 14.686 km/s
    Conjunction Risk Parameters R (Radial): 0.193 | I (In-track): -0.193 | C (Cross-track): -0.672
    Collision Risk Index (CRI) 0.73
    X Position (km) -3308.257 -3308.666
    Position Y (km) 22.487 23.086
    Position Z (km) -6041.111 -6041.104
    Velocity X (km/s) 6.434 -4.717
    Velocity Y (km/s) 1.986 -5.381
    Velocity Z (km/s) -3.524 2.563

    Orbital Parameters 国际轨道数据源

    Parameter ZHANGHENG 1-02 STARLINK-34470
    Semimajor Axis (a) 6881.980 km 6894.621 km
    Eccentricity (e) 0.000816 0.000537
    Inclination (i) 97.3686° 70.0026°
    RAAN 12.4640° 222.4609°
    Perigee Argument 170.4947° 276.6357°
    Mean Anomaly (M) 189.6444° 40.9076°
    Apogee 509.459 km 520.184 km
    Perigee 498.227 km 512.784 km
    Orbit Epoch 2026-09-04T10:56:31+0000 2026-09-04T20:00:02+0000

    ZHANGHENG 1-02 & STARLINK-34470 Collision Probability (Pc) Trend

    ZHANGHENG 1-02 & STARLINK-34470 Collision Probability (Pc) TrendNot Available

    ZHANGHENG 1-02 & STARLINK-34470 Miss Distance (Miss Distance) Trend

    ZHANGHENG 1-02 & STARLINK-34470 Miss Distance (Miss Distance) TrendNot Available

    ZHANGHENG 1-02Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-34470Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    ZHANGHENG 1-02Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-34470Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with ZHANGHENG 1-02

    No nearby objects data