Conjunction Event Detail

    High Risk
    High collision probability. Maneuver recommended for primary asset.
    1.321917E-4
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-11T16:36:01+0800
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    1 Object 1

    AOE ID 53073
    NORAD ID 53073
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 58645
    NORAD ID 58645
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter STARLINK-4346 TIANMU-1 11
    Time of Closest Approach 2026-09-13T08:06:59+0000
    Collision Probability (Pc) 1.321917E-4
    Conjunction Distance (km) 0.601 km
    Relative Speed (km/s) 15.047 km/s
    Conjunction Risk Parameters R (Radial): -0.597 | I (In-track): -0.01 | C (Cross-track): 0.056
    Collision Risk Index (CRI) 0.77
    X Position (km) -214.096 -214.057
    Position Y (km) 5878.966 5879.478
    Position Z (km) -3552.891 -3553.202
    Velocity X (km/s) 1.039 1.276
    Velocity Y (km/s) 3.928 -3.839
    Velocity Z (km/s) 6.44 -6.444

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4346 TIANMU-1 11
    Semimajor Axis (a) 6869.746 km 6860.700 km
    Eccentricity (e) 0.000513 0.001033
    Inclination (i) 97.6332° 97.3432°
    RAAN 84.5702° 274.2563°
    Perigee Argument 306.1460° 66.2873°
    Mean Anomaly (M) 53.9302° 293.9449°
    Apogee 495.131 km 489.650 km
    Perigee 488.087 km 475.476 km
    Orbit Epoch 2026-09-10T12:31:45+0000 2026-09-11T00:10:37+0000

    STARLINK-4346 & TIANMU-1 11 Collision Probability (Pc) Trend

    STARLINK-4346 & TIANMU-1 11 Collision Probability (Pc) TrendNot Available

    STARLINK-4346 & TIANMU-1 11 Miss Distance (Miss Distance) Trend

    STARLINK-4346 & TIANMU-1 11 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4346Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    TIANMU-1 11Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4346Collision Probability Trend

    Object 1 Probability TrendNot Available

    TIANMU-1 11Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4346

    No nearby objects data