Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.962456E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-31T01:17:36+0800
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    1 Object 1

    AOE ID 49071
    NORAD ID 49071
    Object Type PAYLOAD
    Country
    CN CN
    ← VS →

    2 Object 2

    AOE ID 49738
    NORAD ID 49738
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter TIANHUI 2-02A STARLINK-3143
    Time of Closest Approach 2026-11-01T00:43:58+0000
    Collision Probability (Pc) 1.962456E-6
    Conjunction Distance (km) 2.323 km
    Relative Speed (km/s) 14.068 km/s
    Conjunction Risk Parameters R (Radial): -1.765 | I (In-track): -0.56 | C (Cross-track): -1.399
    Collision Risk Index (CRI) 0.41
    X Position (km) 2475.431 2476.887
    Position Y (km) -4385.008 -4385.02
    Position Z (km) 4702.029 4703.838
    Velocity X (km/s) -3.696 6.894
    Velocity Y (km/s) 3.789 0.473
    Velocity Z (km/s) 5.464 -3.182

    Orbital Parameters 国际轨道数据源

    Parameter TIANHUI 2-02A STARLINK-3143
    Semimajor Axis (a) 6893.680 km 6898.712 km
    Eccentricity (e) 0.000133 0.000232
    Inclination (i) 97.4862° 53.2122°
    RAAN 303.3646° 175.8650°
    Perigee Argument 98.4715° 118.2199°
    Mean Anomaly (M) 261.6668° 241.9030°
    Apogee 516.458 km 522.178 km
    Perigee 514.628 km 518.972 km
    Orbit Epoch 2026-10-28T20:32:38+0000 2026-10-29T08:52:28+0000

    TIANHUI 2-02A & STARLINK-3143 Collision Probability (Pc) Trend

    TIANHUI 2-02A & STARLINK-3143 Collision Probability (Pc) TrendNot Available

    TIANHUI 2-02A & STARLINK-3143 Miss Distance (Miss Distance) Trend

    TIANHUI 2-02A & STARLINK-3143 Miss Distance (Miss Distance) TrendNot Available

    TIANHUI 2-02AMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-3143Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    TIANHUI 2-02ACollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-3143Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with TIANHUI 2-02A

    No nearby objects data