Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.306746E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-06T13:54:12+0800
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    1 Object 1

    AOE ID 58662
    NORAD ID 58662
    Object Type PAYLOAD
    Country
    CN CN
    VS

    2 Object 2

    AOE ID 63435
    NORAD ID 63435
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter TIANMU-1 21 STARLINK-33733
    Time of Closest Approach 2026-09-07T16:52:39+0000
    Collision Probability (Pc) 1.306746E-6
    Conjunction Distance (km) 2.184 km
    Relative Speed (km/s) 5.757 km/s
    Conjunction Risk Parameters R (Radial): 0.821 | I (In-track): 1.876 | C (Cross-track): -0.761
    Collision Risk Index (CRI) 0.37
    X Position (km) -6711.938 -6711.302
    Position Y (km) -1307.272 -1306.623
    Position Z (km) -252.458 -250.473
    Velocity X (km/s) 0.074 1.088
    Velocity Y (km/s) 1.023 -4.453
    Velocity Z (km/s) -7.562 -6.106

    Orbital Parameters 国际轨道数据源

    Parameter TIANMU-1 21 STARLINK-33733
    Semimajor Axis (a) 6834.910 km 6840.820 km
    Eccentricity (e) 0.000757 0.000083
    Inclination (i) 97.4567° 53.1597°
    RAAN 9.4832° 18.4308°
    Perigee Argument 38.2600° 74.0123°
    Mean Anomaly (M) 321.9180° 286.0971°
    Apogee 461.948 km 463.254 km
    Perigee 451.598 km 462.112 km
    Orbit Epoch 2026-09-05T21:53:05+0000 2026-09-05T18:45:10+0000

    TIANMU-1 21 & STARLINK-33733 Collision Probability (Pc) Trend

    TIANMU-1 21 & STARLINK-33733 Collision Probability (Pc) TrendNot Available

    TIANMU-1 21 & STARLINK-33733 Miss Distance (Miss Distance) Trend

    TIANMU-1 21 & STARLINK-33733 Miss Distance (Miss Distance) TrendNot Available

    TIANMU-1 21Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-33733Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    TIANMU-1 21Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-33733Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with TIANMU-1 21

    No nearby objects data