Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.352175E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-12T01:03:05+0800
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    1 Object 1

    AOE ID 57401
    NORAD ID 57401
    Object Type PAYLOAD
    Country
    CN CN
    VS

    2 Object 2

    AOE ID 57974
    NORAD ID 57974
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter TIANMU-1 09 STARLINK-30489
    Time of Closest Approach 2026-09-14T00:56:27+0000
    Collision Probability (Pc) 1.352175E-6
    Conjunction Distance (km) 2.417 km
    Relative Speed (km/s) 8.584 km/s
    Conjunction Risk Parameters R (Radial): -2.37 | I (In-track): -0.39 | C (Cross-track): -0.264
    Collision Risk Index (CRI) 0.38
    X Position (km) 3680.704 3682.279
    Position Y (km) -4475.578 -4477.169
    Position Z (km) -3672.718 -3673.628
    Velocity X (km/s) 1.681 6.392
    Velocity Y (km/s) -3.835 2.616
    Velocity Z (km/s) 6.364 3.221

    Orbital Parameters 国际轨道数据源

    Parameter TIANMU-1 09 STARLINK-30489
    Semimajor Axis (a) 6852.017 km 6861.243 km
    Eccentricity (e) 0.000354 0.000195
    Inclination (i) 97.2465° 43.0046°
    RAAN 302.1330° 7.7372°
    Perigee Argument 162.7357° 264.3812°
    Mean Anomaly (M) 197.4005° 95.6817°
    Apogee 476.305 km 484.446 km
    Perigee 471.455 km 481.766 km
    Orbit Epoch 2026-09-11T07:11:13+0000 2026-09-11T07:15:23+0000

    TIANMU-1 09 & STARLINK-30489 Collision Probability (Pc) Trend

    TIANMU-1 09 & STARLINK-30489 Collision Probability (Pc) TrendNot Available

    TIANMU-1 09 & STARLINK-30489 Miss Distance (Miss Distance) Trend

    TIANMU-1 09 & STARLINK-30489 Miss Distance (Miss Distance) TrendNot Available

    TIANMU-1 09Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-30489Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    TIANMU-1 09Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-30489Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with TIANMU-1 09

    No nearby objects data