Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.429805E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-31T01:17:36+0800
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    1 Object 1

    AOE ID 49072
    NORAD ID 49072
    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 2-02B STARLINK-3143
    Time of Closest Approach 2026-11-01T00:43:58+0000
    Collision Probability (Pc) 1.429805E-6
    Conjunction Distance (km) 2.789 km
    Relative Speed (km/s) 14.069 km/s
    Conjunction Risk Parameters R (Radial): -2.083 | I (In-track): -0.692 | C (Cross-track): -1.72
    Collision Risk Index (CRI) 0.38
    X Position (km) 2475.078 2476.839
    Position Y (km) -4385.064 -4385.024
    Position Z (km) 4701.698 4703.86
    Velocity X (km/s) -3.696 6.894
    Velocity Y (km/s) 3.789 0.473
    Velocity Z (km/s) 5.465 -3.182

    Orbital Parameters 国际轨道数据源

    Parameter TIANHUI 2-02B STARLINK-3143
    Semimajor Axis (a) 6893.680 km 6898.712 km
    Eccentricity (e) 0.000158 0.000232
    Inclination (i) 97.4862° 53.2122°
    RAAN 303.4256° 175.8650°
    Perigee Argument 80.5229° 118.2199°
    Mean Anomaly (M) 279.6182° 241.9030°
    Apogee 516.632 km 522.178 km
    Perigee 514.454 km 518.972 km
    Orbit Epoch 2026-10-28T22:07:38+0000 2026-10-29T08:52:28+0000

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

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

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

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

    TIANHUI 2-02BMiss 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 2-02BCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-3143Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with TIANHUI 2-02B

    No nearby objects data