Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    4.784682E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-05T14:48:32+0800
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    1 Object 1

    AOE ID 58661
    NORAD ID 58661
    Object Type PAYLOAD
    Country
    CN CN
    VS

    2 Object 2

    AOE ID 69488
    NORAD ID 69488
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter TIANMU-1 20 STARLINK-37449
    Time of Closest Approach 2026-09-06T16:31:07+0000
    Collision Probability (Pc) 4.784682E-6
    Conjunction Distance (km) 1.573 km
    Relative Speed (km/s) 11.267 km/s
    Conjunction Risk Parameters R (Radial): 1.32 | I (In-track): 0.579 | C (Cross-track): -0.631
    Collision Risk Index (CRI) 0.49
    X Position (km) 848.2 847.393
    Position Y (km) 994.774 995.146
    Position Z (km) -6726.925 -6725.627
    Velocity X (km/s) 7.495 0.237
    Velocity Y (km/s) 0.809 -7.535
    Velocity Z (km/s) 1.07 -1.085

    Orbital Parameters 国际轨道数据源

    Parameter TIANMU-1 20 STARLINK-37449
    Semimajor Axis (a) 6842.440 km 6843.555 km
    Eccentricity (e) 0.000786 0.000101
    Inclination (i) 97.4501° 97.2848°
    RAAN 5.4589° 268.9034°
    Perigee Argument 48.6274° 100.5859°
    Mean Anomaly (M) 311.5643° 259.5498°
    Apogee 469.682 km 466.112 km
    Perigee 458.924 km 464.724 km
    Orbit Epoch 2026-09-04T22:36:07+0000 2026-09-04T19:31:53+0000

    TIANMU-1 20 & STARLINK-37449 Collision Probability (Pc) Trend

    TIANMU-1 20 & STARLINK-37449 Collision Probability (Pc) TrendNot Available

    TIANMU-1 20 & STARLINK-37449 Miss Distance (Miss Distance) Trend

    TIANMU-1 20 & STARLINK-37449 Miss Distance (Miss Distance) TrendNot Available

    TIANMU-1 20Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-37449Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    TIANMU-1 20Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-37449Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with TIANMU-1 20

    No nearby objects data