Conjunction Event Detail

    High Risk
    High collision probability. Maneuver recommended for primary asset.
    1.273736E-4
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-12T04:42:48+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 68279
    NORAD ID 68279
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter TIANMU-1 21 STARLINK-36934
    Time of Closest Approach 2026-09-11T22:18:57+0000
    Collision Probability (Pc) 1.273736E-4
    Conjunction Distance (km) 0.604 km
    Relative Speed (km/s) 14.465 km/s
    Conjunction Risk Parameters R (Radial): -0.534 | I (In-track): -0.1 | C (Cross-track): 0.262
    Collision Risk Index (CRI) 0.77
    X Position (km) -5282.768 -5283.155
    Position Y (km) -1996.899 -1997.316
    Position Z (km) 3850.707 3850.909
    Velocity X (km/s) -4.409 4.736
    Velocity Y (km/s) -0.384 -4.136
    Velocity Z (km/s) -6.223 4.338

    Orbital Parameters 国际轨道数据源

    Parameter TIANMU-1 21 STARLINK-36934
    Semimajor Axis (a) 6834.643 km 6840.813 km
    Eccentricity (e) 0.000704 0.000131
    Inclination (i) 97.4585° 53.1572°
    RAAN 15.2252° 173.6578°
    Perigee Argument 18.9836° 103.7801°
    Mean Anomaly (M) 341.1670° 256.3348°
    Apogee 461.320 km 463.573 km
    Perigee 451.692 km 461.779 km
    Orbit Epoch 2026-09-11T13:52:16+0000 2026-09-11T03:21:47+0000

    TIANMU-1 21 & STARLINK-36934 Collision Probability (Pc) Trend

    TIANMU-1 21 & STARLINK-36934 Collision Probability (Pc) TrendNot Available

    TIANMU-1 21 & STARLINK-36934 Miss Distance (Miss Distance) Trend

    TIANMU-1 21 & STARLINK-36934 Miss Distance (Miss Distance) TrendNot Available

    TIANMU-1 21Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-36934Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    TIANMU-1 21Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-36934Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with TIANMU-1 21

    No nearby objects data