Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    7.329104E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-13T02:25:09+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 67860
    NORAD ID 67860
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter TIANMU-1 20 STARLINK-35873
    Time of Closest Approach 2026-09-15T04:17:06+0000
    Collision Probability (Pc) 7.329104E-6
    Conjunction Distance (km) 1.237 km
    Relative Speed (km/s) 6.541 km/s
    Conjunction Risk Parameters R (Radial): 0.466 | I (In-track): 1.037 | C (Cross-track): -0.487
    Collision Risk Index (CRI) 0.52
    X Position (km) 5733.779 5734.529
    Position Y (km) 2046.257 2046.876
    Position Z (km) -3127.264 -3126.501
    Velocity X (km/s) 3.616 0.693
    Velocity Y (km/s) 0.11 5.707
    Velocity Z (km/s) 6.72 5.017

    Orbital Parameters 国际轨道数据源

    Parameter TIANMU-1 20 STARLINK-35873
    Semimajor Axis (a) 6842.157 km 6840.825 km
    Eccentricity (e) 0.000720 0.000108
    Inclination (i) 97.4521° 53.1593°
    RAAN 12.8940° 58.3998°
    Perigee Argument 24.2481° 96.0114°
    Mean Anomaly (M) 335.9098° 264.1011°
    Apogee 468.946 km 463.425 km
    Perigee 459.094 km 461.951 km
    Orbit Epoch 2026-09-12T07:31:09+0000 2026-09-11T17:35:16+0000

    TIANMU-1 20 & STARLINK-35873 Collision Probability (Pc) Trend

    TIANMU-1 20 & STARLINK-35873 Collision Probability (Pc) TrendNot Available

    TIANMU-1 20 & STARLINK-35873 Miss Distance (Miss Distance) Trend

    TIANMU-1 20 & STARLINK-35873 Miss Distance (Miss Distance) TrendNot Available

    TIANMU-1 20Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-35873Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    TIANMU-1 20Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-35873Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with TIANMU-1 20

    No nearby objects data