Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    2.388267E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-03T10:47:12+0800
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    1 Object 1

    AOE ID 58662
    NORAD ID 58662
    Object Type PAYLOAD
    Country
    CN CN
    VS

    2 Object 2

    AOE ID 66088
    NORAD ID 66088
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter TIANMU-1 21 STARLINK-35461
    Time of Closest Approach 2026-09-04T04:31:43+0000
    Collision Probability (Pc) 2.388267E-6
    Conjunction Distance (km) 1.729 km
    Relative Speed (km/s) 5.988 km/s
    Conjunction Risk Parameters R (Radial): -1.153 | I (In-track): -1.182 | C (Cross-track): -0.507
    Collision Risk Index (CRI) 0.43
    X Position (km) -6563.417 -6562.675
    Position Y (km) -649.957 -649.537
    Position Z (km) -1829.688 -1828.184
    Velocity X (km/s) 1.901 2.051
    Velocity Y (km/s) 1.22 -4.568
    Velocity Z (km/s) -7.287 -5.762

    Orbital Parameters 国际轨道数据源

    Parameter TIANMU-1 21 STARLINK-35461
    Semimajor Axis (a) 6835.038 km 6840.838 km
    Eccentricity (e) 0.000783 0.000163
    Inclination (i) 97.4569° 53.1616°
    RAAN 6.1180° 3.5727°
    Perigee Argument 48.7166° 94.8828°
    Mean Anomaly (M) 311.4750° 265.2361°
    Apogee 462.253 km 463.820 km
    Perigee 451.549 km 461.582 km
    Orbit Epoch 2026-09-02T14:09:55+0000 2026-09-02T01:38:26+0000

    TIANMU-1 21 & STARLINK-35461 Collision Probability (Pc) Trend

    TIANMU-1 21 & STARLINK-35461 Collision Probability (Pc) TrendNot Available

    TIANMU-1 21 & STARLINK-35461 Miss Distance (Miss Distance) Trend

    TIANMU-1 21 & STARLINK-35461 Miss Distance (Miss Distance) TrendNot Available

    TIANMU-1 21Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-35461Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    TIANMU-1 21Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-35461Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with TIANMU-1 21

    No nearby objects data