Conjunction Event Detail

    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    2.598668E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-03T06:17:37+0800
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    1 Object 1

    AOE ID 58646
    NORAD ID 58646
    Object Type PAYLOAD
    Country
    CN CN
    VS

    2 Object 2

    AOE ID 58855
    NORAD ID 58855
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter TIANMU-1 12 STARLINK-31237
    Time of Closest Approach 2026-09-03T02:10:31+0000
    Collision Probability (Pc) 2.598668E-5
    Conjunction Distance (km) 0.923 km
    Relative Speed (km/s) 9.412 km/s
    Conjunction Risk Parameters R (Radial): -0.073 | I (In-track): -0.723 | C (Cross-track): -0.566
    Collision Risk Index (CRI) 0.63
    X Position (km) -173.126 -172.665
    Position Y (km) 5448.101 5447.568
    Position Z (km) 4159.292 4159.887
    Velocity X (km/s) 1.08 -7.072
    Velocity Y (km/s) 4.616 1.592
    Velocity Z (km/s) -5.975 -2.372

    Orbital Parameters 国际轨道数据源

    Parameter TIANMU-1 12 STARLINK-31237
    Semimajor Axis (a) 6861.884 km 6861.215 km
    Eccentricity (e) 0.000937 0.000174
    Inclination (i) 97.3430° 43.0055°
    RAAN 265.6317° 333.1892°
    Perigee Argument 79.5608° 275.8449°
    Mean Anomaly (M) 280.6687° 84.2204°
    Apogee 490.176 km 484.270 km
    Perigee 477.318 km 481.886 km
    Orbit Epoch 2026-09-02T12:58:36+0000 2026-09-01T22:59:15+0000

    TIANMU-1 12 & STARLINK-31237 Collision Probability (Pc) Trend

    TIANMU-1 12 & STARLINK-31237 Collision Probability (Pc) TrendNot Available

    TIANMU-1 12 & STARLINK-31237 Miss Distance (Miss Distance) Trend

    TIANMU-1 12 & STARLINK-31237 Miss Distance (Miss Distance) TrendNot Available

    TIANMU-1 12Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-31237Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    TIANMU-1 12Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31237Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with TIANMU-1 12

    No nearby objects data