Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.697204E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-03T05:10:34+0800
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    1 Object 1

    AOE ID 46810
    NORAD ID 46810
    Object Type PAYLOAD
    Country
    CN CN
    VS

    2 Object 2

    AOE ID 52687
    NORAD ID 52687
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter TIANQI-6 STARLINK-3981
    Time of Closest Approach 2026-09-03T20:20:52+0000
    Collision Probability (Pc) 1.697204E-6
    Conjunction Distance (km) 2.25 km
    Relative Speed (km/s) 9.92 km/s
    Conjunction Risk Parameters R (Radial): 2.029 | I (In-track): 0.731 | C (Cross-track): 0.641
    Collision Risk Index (CRI) 0.4
    X Position (km) 1383.11 1382.571
    Position Y (km) 6425.562 6427.595
    Position Z (km) 2136.057 2136.856
    Velocity X (km/s) -6.149 -5.067
    Velocity Y (km/s) 2.55 -0.784
    Velocity Z (km/s) -3.673 5.607

    Orbital Parameters 国际轨道数据源

    Parameter TIANQI-6 STARLINK-3981
    Semimajor Axis (a) 6921.623 km 6916.981 km
    Eccentricity (e) 0.000981 0.000286
    Inclination (i) 34.9991° 53.1602°
    RAAN 293.8281° 77.4819°
    Perigee Argument 134.5227° 57.8423°
    Mean Anomaly (M) 225.6286° 302.2846°
    Apogee 550.277 km 540.821 km
    Perigee 536.695 km 536.867 km
    Orbit Epoch 2026-09-02T11:54:42+0000 2026-08-31T19:08:20+0000

    TIANQI-6 & STARLINK-3981 Collision Probability (Pc) Trend

    TIANQI-6 & STARLINK-3981 Collision Probability (Pc) TrendNot Available

    TIANQI-6 & STARLINK-3981 Miss Distance (Miss Distance) Trend

    TIANQI-6 & STARLINK-3981 Miss Distance (Miss Distance) TrendNot Available

    TIANQI-6Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-3981Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    TIANQI-6Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-3981Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with TIANQI-6

    No nearby objects data