Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    8.134106E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-11T16:36:31+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 64918
    NORAD ID 64918
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter TIANMU-1 21 STARLINK-34611
    Time of Closest Approach 2026-09-11T17:47:52+0000
    Collision Probability (Pc) 8.134106E-6
    Conjunction Distance (km) 1.415 km
    Relative Speed (km/s) 14.764 km/s
    Conjunction Risk Parameters R (Radial): -0.985 | I (In-track): 0.27 | C (Cross-track): 0.979
    Collision Risk Index (CRI) 0.53
    X Position (km) -6594.458 -6593.238
    Position Y (km) -1738.784 -1739.429
    Position Z (km) -563.246 -563.558
    Velocity X (km/s) 0.34 0.692
    Velocity Y (km/s) 1.117 -4.566
    Velocity Z (km/s) -7.541 6.08

    Orbital Parameters 国际轨道数据源

    Parameter TIANMU-1 21 STARLINK-34611
    Semimajor Axis (a) 6834.670 km 6840.844 km
    Eccentricity (e) 0.000711 0.000125
    Inclination (i) 97.4582° 53.1584°
    RAAN 14.5651° 209.9019°
    Perigee Argument 21.2224° 90.4177°
    Mean Anomaly (M) 338.9314° 269.6969°
    Apogee 461.393 km 463.561 km
    Perigee 451.673 km 461.853 km
    Orbit Epoch 2026-09-10T22:14:27+0000 2026-09-09T06:25:23+0000

    TIANMU-1 21 & STARLINK-34611 Collision Probability (Pc) Trend

    TIANMU-1 21 & STARLINK-34611 Collision Probability (Pc) TrendNot Available

    TIANMU-1 21 & STARLINK-34611 Miss Distance (Miss Distance) Trend

    TIANMU-1 21 & STARLINK-34611 Miss Distance (Miss Distance) TrendNot Available

    TIANMU-1 21Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-34611Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    TIANMU-1 21Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-34611Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with TIANMU-1 21

    No nearby objects data